Each player discards any number of cards, then draws that many cards. Draw a card.

Mill two cards. 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}.

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

Whenever this creature attacks and isn't blocked, you may draw a card. If you do, this creature assigns no combat damage this turn.

Each player draws X cards.

Tap all creatures without flying.

Counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.) Enchanted creature doesn't untap during its controller's untap step.

Enchant creature When this Aura enters, tap enchanted creature. Enchanted creature doesn't untap during its controller's untap step if it attacked during its controller's last turn.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

{U}: This creature can't be blocked this turn.

Whenever this creature becomes blocked, you may draw a card.

Whenever this creature attacks and isn't blocked, look at the top card of defending player's library. You may put that card on the bottom of that player's library.

{U}: This creature gains shroud until end of turn. (It can't be the target of spells or abilities.)

This creature can't attack unless defending player controls an Island.

This creature doesn't untap during your untap step. At the beginning of your upkeep, you may pay {U}{U}{U}. If you do, untap this creature. This creature can't attack unless defending player controls an Island. When you control no Islands, sacrifice this creature.

{U}: This creature gains flying until end of turn.

This creature can't attack unless defending player controls an Island. {U}, Sacrifice an Island: Target land an opponent controls becomes an Island until end of turn. When you control no Islands, sacrifice this creature.

This creature can't attack unless defending player controls an Island. This creature can't be blocked except by blue creatures. When you control no Islands, sacrifice this creature.

{U}: This creature gains flying until end of turn.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

This creature can't attack unless defending player controls an Island.

{U}: This creature gets +1/+0 until end of turn.

{3}{U}: Return this creature to its owner's hand.

This creature gets +0/+1 as long as an opponent controls an Island.

Enchant land (Target a land as you cast this. This card enters attached to that land.) Enchanted land is an Island.

Until end of turn, whenever a player taps an Island for mana, that player adds an additional {U}.

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

({T}: Add {U}.)

Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.) Return target permanent to its owner's hand.

Change the text of target spell or permanent by replacing all instances of one color word with another or one basic land type with another until end of turn. Draw a card.

Choose one — • Counter target spell if it's red. • Destroy target permanent if it's red.

{1}{U}, {T}: Put target green creature on top of its owner's library.

When this creature enters, return target creature to its owner's hand.

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.

Cast this spell only during an opponent's turn, before attackers are declared. Creatures the active player controls attack this turn if able. At the beginning of the next end step, destroy all non-Wall creatures that player controls that didn't attack this turn. Ignore this effect for each creature the player didn't control continuously since the beginning of the turn.

Counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard. You may play it without paying its mana cost for as long as it remains exiled. (If it has X in its mana cost, X is 0.)

If an opponent controls a Forest and you control an Island, you may cast this spell without paying its mana cost. Put target creature on top of its owner's library.