Island

Unsummon

Return target creature to its owner's hand.

Flight

Enchant creature
Enchanted creature has flying.

War Mammoth

Forest

Craw Wurm

Sea Serpent

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

Steal Artifact

Enchant artifact
You control enchanted artifact.

Llanowar Elves

Wild Growth

Enchant land
Whenever enchanted land is tapped for mana, its controller adds an additional {G}.

Spell Blast

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

Sol Ring

Invisibility

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

Giant Growth

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

Grizzly Bears

Ancestral Recall

Forcefield

{1}: The next time an unblocked creature of your choice would deal combat damage to you this turn, prevent all but 1 of that damage.

Scryb Sprites

Lure

Enchant creature
All creatures able to block enchanted creature do so.

Tranquility

Ley Druid

Twiddle

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

Icy Manipulator

{1}, {T}: Tap target artifact, creature, or land.

Fastbond

You may play any number of lands on each of your turns.
Whenever you play a land, if it wasn't the first land you played this turn, Fastbond deals 1 damage to you.