Slay

Destroy target green creature. It can't be regenerated.
Draw a card.

Volcano Imp

Flying
{1}{R}: This creature gains first strike until end of turn.

Warped Devotion

Whenever a permanent is returned to a player's hand, that player discards a card.

Caldera Kavu

{1}{B}: This creature gets +1/+1 until end of turn.
{G}: This creature becomes the color of your choice until end of turn.

Deadapult

{R}, Sacrifice a Zombie: This enchantment deals 2 damage to any target.

Heroic Defiance

Enchant creature
Enchanted creature gets +3/+3 unless it shares a color with the most common color among all permanents or a color tied for most common.

Mine Security

Flametongue Kavu

When this creature enters, it deals 4 damage to target creature.

Goblin Game

Each player hides at least one item, then all players reveal them simultaneously. Each player loses life equal to the number of items they revealed. The player who revealed the fewest items then loses half their life, rounded up. If two or more players are tied for fewest, each loses half their life, rounded up.

Implode

Insolence

Enchant creature
Whenever enchanted creature becomes tapped, this Aura deals 2 damage to that creature's controller.

Kavu Recluse

{T}: Target land becomes a Forest until end of turn.

Keldon Mantle

Enchant creature
{B}: Regenerate enchanted creature.
{R}: Enchanted creature gets +1/+0 until end of turn.
{G}: Enchanted creature gains trample until end of turn.

Magma Burst

Kicker—Sacrifice two lands. (You may sacrifice two lands in addition to any other costs as you cast this spell.)
Magma Burst deals 3 damage to any target. If this spell was kicked, it deals 3 damage to another target.

Mire Kavu

This creature gets +1/+1 as long as you control a Swamp.

Mogg Jailer

This creature can't attack if defending player controls an untapped creature with power 2 or less.

Mogg Sentry

Whenever an opponent casts a spell, this creature gets +2/+2 until end of turn.

Planeshift