Silhouette

Choose target creature. If a spell or ability that targets that creature would cause a source to deal damage to that creature this turn, prevent that damage.

Mountain

Backdraft

Choose a player who cast one or more sorcery spells this turn. Backdraft deals damage to that player equal to half the damage dealt by one of those sorcery spells this turn, rounded down.

Remove Soul

Raging Bull

Telekinesis

Tap target creature. Prevent all combat damage that would be dealt by that creature this turn. It doesn't untap during its controller's next two untap steps.

Island

Glyph of Delusion

Put X glyph counters on target creature that target Wall blocked this turn, where X is the power of that blocked creature. The creature gains "This creature doesn't untap during your untap step if it has a glyph counter on it" and "At the beginning of your upkeep, remove a glyph counter from this creature."

Zephyr Falcon

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Giant Strength

Enchant creature
Enchanted creature gets +2/+2.

Flash Counter

Shivan Dragon

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

Wall of Earth

Wall of Heat

Backfire

Enchant creature
Whenever enchanted creature deals damage to you, this Aura deals that much damage to that creature's controller.

Brine Hag

When this creature dies, change the base power and toughness of all creatures that dealt damage to it this turn to 0/2. (This effect lasts indefinitely.)

Enchantment Alteration

Attach target Aura attached to a creature or land to another permanent of that type.

Immolation

Enchant creature
Enchanted creature gets +2/-2.

Force Spike

Counter target spell unless its controller pays {1}.

Wall of Vapor

Defender (This creature can't attack.)
Prevent all damage that would be dealt to this creature by creatures it's blocking.