Whenever a creature you control becomes blocked, you may return it to its owner's hand.

Return any number of target nonland, nontoken permanents you control to their owners' hands. Draw a card for each card returned to your hand this way.

Return all creatures you control to their owner's hand.

Return target creature you control and target creature you don't control to their owners' hands.

Return target permanent you control to its owner's hand.

Return target creature or enchantment an opponent controls to its owner's hand.

Whenever a creature you control attacks, it phases out at end of combat. (While it's phased out, it's treated as though it doesn't exist. It phases in before you untap during your next untap step.)

Draw three cards, then put two cards from your hand on top of your library in any order.

Counter target instant or sorcery spell unless its controller pays {1}. Draw a card.

Tap target artifact, creature, or land. Draw a card at the beginning of the next turn's upkeep.

({U/P} can be paid with either {U} or 2 life.) Look at target player's hand. Draw a card.

Target creature gains flying until end of turn. Draw a card.

Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) Whenever an opponent casts a noncreature spell, you may draw a card unless that player pays {4}.

Draw a card. Madness {U} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

X target creatures can't be blocked this turn. Until end of turn, those creatures gain "Whenever this creature deals combat damage to a player, draw a card."

Scry 1. (Look at the top card of your library. You may put that card on the bottom.) Draw a card.

Look at target player's hand. Draw a card.

Look at the top three cards of your library, then put them back in any order. You may shuffle. Draw a card.

Draw a card. Scry 2.

Target creature gains shadow until end of turn. (It can block or be blocked by only creatures with shadow.) Draw a card.

Look at the top three cards of your library. Put one of those cards into your hand, one on top of your library, and one on the bottom of your library.

Choose one — • Target nonsnow permanent becomes snow until end of turn. • Target snow permanent isn't snow until end of turn. Draw a card at the beginning of the next turn's upkeep.

({T}: Add {U}.)

This land enters tapped. {T}: Add {U}. Cycling {U} ({U}, Discard this card: Draw a card.)

This land enters tapped. {T}: Add {C}. {2}, {T}, Sacrifice this land: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

({T}: Add {U}.) This land enters tapped unless you control three or more other Islands. When this land enters untapped, you may put target instant or sorcery card from your graveyard on top of your library.

Counter target spell.

Counter target spell with mana value 4 or greater.

Counter target instant spell.

Counter target spell unless its controller pays {1}. If you control a creature with flying, counter that spell unless its controller pays {4} instead.

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Counter target spell unless its controller pays {X}.

Counter target spell unless its controller pays {3}.

Counter target instant or sorcery spell unless its controller pays {3}.

Counter target noncreature spell.

Counter target spell unless its controller pays {X}. If that player doesn't, they tap all lands with mana abilities they control and lose all unspent mana.

{T}: Add one mana of any color in your commander's color identity.

Multikicker {2} (You may pay an additional {2} any number of times as you cast this spell.) This artifact enters with a charge counter on it for each time it was kicked. {T}: Add {C} for each charge counter on this artifact.

{T}: Add one mana of any color that a land an opponent controls could produce.

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

{T}: Add {C}. {1}, {T}: Add one mana of any color.

This artifact enters tapped. {T}: Add {U}.

Magecraft — Whenever you cast or copy an instant or sorcery spell, draw a card.

Flying Protection from red (This creature can't be blocked, targeted, dealt damage, enchanted, or equipped by anything red.) Sacrifice this creature: Counter target spell that targets you.

Flying Evolve (Whenever a creature you control enters, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)

This creature can't be blocked. {U}, Discard a card: Return this creature to its owner's hand.

Flying When this creature enters, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Bestow {5}{U}{U} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.) Flying You control enchanted creature. Enchanted creature gets +1/+1 and has flying.

Hexproof (This creature can't be the target of spells or abilities your opponents control.) This creature can't be blocked.

Flying Whenever this creature deals combat damage to a player, that player mills a card. (They put the top card of their library into their graveyard.) Sacrifice this creature: Draw a card. Activate only if an opponent has eight or more cards in their graveyard.

Whenever you draw a card, you may pay {1}. If you do, put a +1/+1 counter on this creature and create a 1/1 blue Tentacle creature token.

Flying {7}{U}: Adapt 4. This ability costs {1} less to activate for each instant and sorcery card in your graveyard. (If this creature has no +1/+1 counters on it, put four +1/+1 counters on it.)

Flying {U}, Sacrifice this creature: Counter target spell or ability that targets you or a creature you control.

This creature can't be blocked.

Flash (You may cast this spell any time you could cast an instant.) Flying {3}{U}: Draw a card.

Whenever you cast an instant or sorcery spell, create a 2/2 blue Drake creature token with flying.

This creature can't be blocked.

Whenever you cast your first spell during each opponent's turn, draw a card.

Flying, vigilance

Destroy target creature. It can't be regenerated. That creature's controller creates a 3/3 green Frog Lizard creature token.