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Core Set 2021 Draft Guide – Blue cards ranked | Magic: The Gathering

With Core Set 2021 now playable in MTG Arena, I’m here to provide players with a Core Set 2021 Draft guide! In this guide, I’ll be reviewing all the Blue cards in the set.

Before I get into my rating for each card, here’s a brief overview of my Core Set 2021 Draft Guide rating system.

  • 1 – Bad card or only useful in the sideboard
  • 2 – Passable, but not something I would pick early or often
  • 3 – A solid card I’m happy to pick most of the time
  • 4 – Very strong cards that provide a lot of value on their own
  • 5 – Cards that will almost always win the game if your opponents can’t deal with them

Now that we know how I’ll be rating each card, let’s get straight into the ratings.

Core Set 2021 Draft guide – Blue

core set 2021 draft guide

Barrin, Tolarian Archmage – 3

Barrin is a solid card. For 3-mana you get to make a tempo play while getting a 2/2 body on the board. There are a lot of strong auras in this set – such as Faith’s Fetters – and Barrin will help you deal with those cards.

Cancel – 2

Cancel has always been an okay inclusion in blue decks. You never want more than 1 copy in your deck.

core set 2021 draft guide

Capture Sphere – 3

Capture Sphere is a premium common removal spell.

core set 2021 draft guide

Discontinuity – 1.5

Unfortunately, this card isn’t good in limited. Taking a turn from your opponent isn’t impactful enough, and isn’t worth paying 6 mana for. With that said, this card has constructed potential.

core set 2021 draft guide

Enthralling Hold – 4.5

I cannot believe that this is an uncommon card. The ability to steal your opponent’s best creature is extremely powerful. For 5-mana, you remove your opponent’s biggest threat while creating a threat yourself. So much value!

Frantic Inventory – 1.5

I don’t think the payoff of this card is worth it.

core set 2021 draft guide

Frost Breath – 2.5

I believe that most blue decks wouldn’t mind having a copy of Frost Breath in their decks. Being able to lock down your opponent’s two best creatures for two turns is a very strong ability.

core set 2021 draft guide

Ghostly Pilferer – 3

I like cards that are good during all stages of the game. During the early game, Ghostly Pilferer can get in some chip damage and draw you cards. However, played later in the game, Ghostly Pilferer can also help you finish off your opponent’s life points. Since this card can become unblockable, it’s a great target for +1/+1 counters!

Jeskai Elder – 2.0

In a dedicated spells deck, Jeskai Elder can do some work. However, if you aren’t able to consistently trigger Prowess, Jeskai Elder becomes fairly mediocre.

Keen Glidemaster – 3.0

One of the best common blue creatures in the set. Like I mentioned earlier, cards that are good during all stages of the game are always worth picking up. The ability to give any one of your creatures evasion is incredibly strong, especially if they happen to be in green.

Library Larcenist – 3.0

Library Larcenist is awesome. In a set full of +1/+1 counters and evasion, it’s not going to be very difficult to draw at least 2-3 cards of Library Larcenist.

core set 2021 draft guide

Lofty Denial – 2.0 // 3.0

In a dedicated flying deck, Lofty Denial is an extremely efficient counterspell. Otherwise, it’s just an alright counterspell that scales poorly into the late game.

Miscast – 1.0

A sideboard card. If Miscast countered Auras, then I would have considered main-decking it.

core set 2021 draft guide

Mistral Singer – 3.5

The best common creature in blue. This card would have already been good as a 3-mana 2/2 flier. However, the fact that this card has Prowess means that it will attack for 3 damage fairly often. Any blue deck will be happy to have copies of Mistral Singer in their deck.

core set 2021 draft guide

Opt – 1.5

Opt has never been a good limited card. However, it is worth including if you have payoff cards like Riddleform.

core set 2021 draft guide

Pursued Whale – 3.5

Unfortunately, Pursued Whale is a little expensive and doesn’t do enough to win you the game outright. However, Pursued Whale does protect itself and forces your opponent into awkward attacks, making it a decent bomb. Pursued Whale is probably going to perform best in a Simic deck.

core set 2021 draft guide

Rain of Revelation – 2.5

Rain of Revelation is an amazing instant speed card draw spell.

core set 2021 draft guide

Read the Tides – 2.0

6-mana is a little expensive, and the fact that this card is sorcery speed doesn’t make it any better. I expect this to be a filler spell in most blue decks.

Rewind – 1.5

I don’t like Rewind. It’s not worth keeping 4-mana up just to counter our opponent’s card. Plus, you usually won’t cast anything off the two lands that Rewind untaps, making this card a more expensive Cancel.

Riddleform – 2.0 // 3.0

Riddleform is a great payoff in a dedicated spells deck. Also, Riddleform’s Scry effect can help you find your threats if the game goes long. Just make sure to have at least 7-8 spells in your deck to consistently trigger Riddleform.

Roaming Ghostlight – 2.5

Another amazing common blue flier. Bouncing our opponent’s creature while getting a 3/2 flying threat is an incredible rate for 5-mana. Man, blue has some solid commons this set!

Rookie Mistake – 1.0

This card just doesn’t do enough to help our creatures trade effectively in combat. Don’t make a rookie mistake by picking this card.

Rousing Read – 2.5

Rousing Read is a great aura that replaces itself and turns your best creature into an evasive threat. I’m extremely impressed at the power level of auras this set.

Sanctum of Calm Waters – 1.5 // 3.0

If Sanctum of Calm Waters was the only shrine in your deck, I would consider cutting it. However, if you’re able to combine it with a Shrine from another color, then this card becomes very good. Drawing 1 card every turn is a lot better than looting once per turn.

See the Truth – 1

Anticipate is a bad limited card, and See the Truth is a bad Anticipate.

Shacklegeist – 3.0

A 2-mana 2/2 flier is amazing. Sometimes you’ll have enough spirits to utilize Shacklegeists tapping ability, however, you’ll mainly want Shacklegeist for its stats.

Shipwreck Dowser – 3.0

I like Shipwreck Dowser. In my opinion, you don’t need to be in a dedicated spells deck to get value out of this card.

Spined Megalodon – 2.5

Hexproof is hard to deal with in limited, making Spined Megalodon a good top-end creature. Plus, scrying every attack is relevant for winning races.

Stormwing Entity – 4.0

Stormwing Entity is an extremely scary threat that can be played in any blue deck. Even if you aren’t able to cast it for it’s reduced cost, the card packs a lot of value for 5 mana.

Sublime Epiphany – 5

There’s not much to say here except that Sublime Epiphany is the definition of a bomb spell.

Teferi, Master of Time – 3.5

In limited, Teferi, Master of Time is just okay compared to previous Teferis. The card is going to buy you a lot of time, but won’t win you the game.

Teferi’s Ageless Insight – 1.5

The format would have to be very slow to make me want to pick this card.

Teferi’s Protege – 2.5

A 2/3 body surprisingly stops a lot of creatures in this set. Plus, it’s nice to have a loot effect throughout the game on a creature.

Teferi’s Tutelage – 3

Milling your opponent out is a legitimate strategy in limited. The best part of Teferi’s Tutelage is that it doesn’t require a lot of build around to work. Add a few draw effects into your deck and Teferi’s Tutelage becomes an amazing win condition.

Tide Skimmer – 2.5

In the blue-white flying deck, Tide Skimmer is absurd. However, even if you aren’t in that archetype, there are enough fliers in blue to help trigger Tide Skimmer’s effect.

Tolarian Kraken – 3

Tolarian Kraken is a great late-game card even if you don’t have many draw effects.

Tome Anima – 2

Tome Anima is a fine creature to fill out your curve. There are enough draw effects in this set that you’ll easily get 1-2 unblockable attacks with this creature.

Unsubstantiate – 2

Unsubstantiate is generally underwhelming, but the ability to target anything can sometimes create some sweet tempo plays.

core set 2021 draft guide

Vodalian Arcanist – 2

Vodalian Arcanist is a fine creature to have in the 2-drop slot. It’s a decent blocker and helps reduce the mana cost of your spells.

core set 2021 draft guide

Waker of Waves – 3

Waker of Waves is great because it essentially has Cycling. The ability to throw away Waker of Waves when you don’t need it makes it an awesome inclusion in any deck. Plus, the creature makes combat awkward for your opponent. What more could you ask for?

Wall of Runes – 1.5

Wall of Runes is a decent filler card if you need blockers.

Wishcoin Crab – 1

It’s good to see you again, Wishcoin Crab.


I wouldn’t be surprised if blue was the best color in Core Set 2021. They have a lot of strong commons that don’t require much build-around, making them a great color to first pick. Also, due to the power of flyers in blue, I believe that reach will be a very relevant keyword in this limited environment.

Anyways, that’s it for the Core Set 2021 Draft guide for Blue! Next up in the color wheel is black!

Stay tuned to SQUAD for more Magic: The Gathering content.

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Paul Dudsdeemaytha

Paul Dudsdeemaytha is a Vancouver, BC-based writer and content creator at SQUAD. Paul specializes in creating guides for Magic: The Gathering and Legends of Runeterra. When he's not writing, you can probably find him throwing frisbees nearby.
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