Unsummon

Return target creature to its owner's hand.

Island

Basalt Monolith

Basalt Monolith doesn't untap during your untap step.
{T}: Add {C}{C}{C}.
{3}: Untap Basalt Monolith.

Clone

You may have Clone enter as a copy of any creature on the battlefield.

Channel

Until end of turn, any time you could activate a mana ability, you may pay 1 life. If you do, add {C}.

Craw Wurm

Forest

Shanodin Dryads

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.)

Scryb Sprites

Twiddle

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

Mox Sapphire

Fireball

This spell costs {1} more to cast for each target beyond the first.
Fireball deals X damage divided evenly, rounded down, among any number of targets.

Air Elemental

Grizzly Bears

Sol Ring

Invisibility

Enchant creature
Enchanted creature can't be blocked except by Walls.

Giant Spider

Reach (This creature can block creatures with flying.)

Mountain

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Dragon Whelp

Flying
{R}: Dragon Whelp gets +1/+0 until end of turn. If this ability has been activated four or more times this turn, sacrifice Dragon Whelp at the beginning of the next end step.

Giant Growth

Target creature gets +3/+3 until end of turn.

Disintegrate

Disintegrate deals X damage to any target. If it's a creature, it can't be regenerated this turn, and if it would die this turn, exile it instead.

False Orders

Cast this spell only during the declare blockers step.
Remove target creature defending player controls from combat. Creatures it was blocking that had become blocked by only that creature this combat become unblocked. You may have it block an attacking creature of your choice.