River Boa

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
{G}: Regenerate this creature.

Snakeskin Veil

Put a +1/+1 counter on target creature you control. It gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)

Krosan Wayfarer

Sacrifice this creature: You may put a land card from your hand onto the battlefield.

Disrupt

Counter target instant or sorcery spell unless its controller pays {1}.
Draw a card.

Reclaim

Put target card from your graveyard on top of your library.

Deepwood Wolverine

Whenever this creature becomes blocked, it gets +2/+0 until end of turn.

Blitzball Shot

Target creature gets +3/+3 and gains trample until end of turn.

Elementalist Adept

Flash (You may cast this spell any time you could cast an instant.)
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Prevent all combat damage that would be dealt this turn.

Forest

Snap

Return target creature to its owner's hand. Untap up to two lands.

Impulse

Look at the top four cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

Elvish Berserker

Whenever this creature becomes blocked, it gets +1/+1 until end of turn for each creature blocking it.

Giant Growth

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

Bestow Greatness

Target creature gets +4/+4 and gains trample until end of turn.

Island

Tolarian Terror

This spell costs {1} less to cast for each instant and sorcery card in your graveyard.
Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.)

Treefolk Mystic

Whenever this creature blocks or becomes blocked by a creature, destroy all Auras attached to that creature.

Marsh Boa

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

Rancor

Enchant creature
Enchanted creature gets +2/+0 and has trample.
When this Aura is put into a graveyard from the battlefield, return it to its owner's hand.

Rushwood Dryad

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