MTG

Defender (This creature can't attack.) {U}: Wall of Water gets +1/+0 until end of turn.

You may tap or untap target artifact, creature, or land.

Counter target spell with converted mana cost X. (For example, if that spell's mana cost is {3}{U}{U}, X is 5.)

Sea Serpent can't attack unless defending player controls an Island. When you control no Islands, sacrifice Sea Serpent.

Psionic Blast deals 4 damage to any target and 2 damage to you.

Enchant enchantment At the beginning of the upkeep of enchanted enchantment's controller, that player may pay any amount of mana. Power Leak deals ...

Enchant creature Enchanted creature has protection from red. This effect doesn't remove Red Ward.

({T}: Add {R}.)

{2}, {T}: Put a mire counter on target non-Swamp land. That land is a Swamp for as long as it has a mire counter on it. Activate this ability only ...

{3}, {T}: Prevent the next 2 damage that would be dealt to you this turn.

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

{T}: Untap target land.

Destroy target Wall. It can't be regenerated.

Destroy target land.

Ironclaw Orcs can't block creatures with power 2 or greater.

{1}: The next time a white source of your choice would deal damage to you this turn, prevent that damage.

Plague Rats's power and toughness are each equal to the number of creatures named Plague Rats on the battlefield.

Haste At the beginning of your upkeep, if Nether Shadow is in your graveyard with three or more creature cards above it, you may put Nether Shadow ...

Search your library for a card, put that card into your hand, then shuffle your library.

{T}: Destroy target land. At the beginning of your upkeep, unless you pay {B}{B}{B}, tap Demonic Hordes and sacrifice a land of an opponent's choice.

Return target creature to its owner's hand.

Cast this spell only during combat before blockers are declared. Target creature defending player controls can block any number of creatures this t...

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