Heroic -- Whenever you cast a spell that targets Akroan Crusader, create a 1/1 red Soldier creature token with haste.

Flying

Heroic -- Whenever you cast a spell that targets Akroan Skyguard, put a +1/+1 counter on Akroan Skyguard.

Instant and sorcery spells cost {2} less to cast.

When Archaeomancer enters the battlefield, return target instant or sorcery card from your graveyard to your hand.

The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.

Enchant permanent

Enchanted permanent has hexproof.

When enchanted permanent leaves the battlefield, if it was historic, draw two cards. (Artifacts, legendaries, and Sagas are historic.)

{T}: Add {C}. Spend this mana only to cast an instant or sorcery spell.

At the beginning of your upkeep, if there are three or more instant and/or sorcery cards in your graveyard, transform Curious Homunculus.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Instant and sorcery spells you cast cost {1} less to cast.

Prevent all damage that would be dealt by creatures this turn.

Copy target instant or sorcery spell with mana value 4 or less. You may choose new targets for the copy.

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Explosion deals X damage to any target. Target player draws X cards.

You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.

Counter target spell.

Aura spells you cast cost {1} less to cast.

Heroic -- Whenever you cast a spell that targets Hero of Iroas, put a +1/+1 counter on Hero of Iroas.

Switch the power and toughness of each of up to two target creatures until end of turn.

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Search your library for an instant card and/or a sorcery card, reveal them, put them into your hand, then shuffle.

+1: Whenever one or more creatures you control deal combat damage to a player this turn, draw a card, then discard a card.

-2: Create a 2/2 blue Illusion creature token with "When this creature becomes the target of a spell, sacrifice it."

-5: Create two tokens that are copies of Jace, Cunning Castaway, except they're not legendary.

Heroic -- Whenever you cast a spell that targets Labyrinth Champion, Labyrinth Champion deals 2 damage to any target.

Lava Spike deals 3 damage to target player or planeswalker.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Whenever you cast a noncreature spell, target creature gains flying until end of turn.

If Mox Diamond would enter the battlefield, you may discard a land card instead. If you do, put Mox Diamond onto the battlefield. If you don't, put it into its owner's graveyard.

{T}: Add one mana of any color.

+2: Target creature can't be blocked this turn.

-3: Draw two cards.

-10: Tap all creatures your opponents control. You take an extra turn after this one.

+1: Look at the top card of your library. If it's a noncreature, nonland card, you may reveal it and put it into your hand.

-2: When you cast your next instant or sorcery spell from your hand this turn, it gains rebound. (Exile the spell as it resolves. At the beginning of your next upkeep, you may cast that card from exile without paying its mana cost.)

-9: You get an emblem with "Your opponents can't cast noncreature spells."

{2}{U}, {T}: You may cast an instant or sorcery spell from your hand without paying its mana cost.

You may tap or untap target permanent.

Splice onto Arcane {U} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Response deals 5 damage to target attacking or blocking creature.

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Creatures you control gain first strike and vigilance until end of turn. After this main phase, there is an additional combat phase followed by an additional main phase.

Heroic -- Whenever you cast a spell that targets Sage of Hours, put a +1/+1 counter on it.

Remove all +1/+1 counters from Sage of Hours: For each five counters removed this way, take an extra turn after this one.

Flash

When Snapcaster Mage enters the battlefield, target instant or sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. (You may cast that card from your graveyard for its flashback cost. Then exile it.)

Lifelink

Instant and sorcery spells you control have lifelink.

{2}{U/R}{U/R}: The next time you cast an instant or sorcery spell from your hand this turn, put that card into your hand instead of into your graveyard as it resolves.

Equipped creature gets +4/+0.

{R}{W}, Unattach Sunforger: Search your library for a red or white instant card with mana value 4 or less and cast that card without paying its mana cost. Then shuffle.

Equip {3}

Exile target creature. Its controller gains life equal to its power.

Instant, sorcery, and Dragon spells you control can't be countered.

Whenever you cast an instant or sorcery spell from your hand, if Taigam, Ojutai Master attacked this turn, that spell gains rebound. (Exile the spell as it resolves. At the beginning of your next upkeep, you may cast that card from exile without paying its mana cost.)

Indestructible

As long as your devotion to blue is less than five, Thassa isn't a creature. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.)

At the beginning of your upkeep, scry 1.

{1}{U}: Target creature you control can't be blocked this turn.

Vigilance

Heroic -- Whenever you cast a spell that targets Vanguard of Brimaz, create a 1/1 white Cat Soldier creature token with vigilance.

Flying

Heroic -- Whenever you cast a spell that targets War-Wing Siren, put a +1/+1 counter on War-Wing Siren.

Whenever you cast an instant or sorcery spell that targets only Zada, Hedron Grinder, copy that spell for each other creature you control that the spell could target. Each copy targets a different one of those creatures.