Chameleon Colossus
{2}{G}{G}
Creature -- Shapeshifter
4/4
Changeling (This card is every creature type.)
Protection from black
{2}{G}{G}: ~this~ gets +X/+X until end of turn, where X is its power.
Electrostatic Pummeler
{3}
Artifact Creature -- Construct
1/1
When ~this~ enters the battlefield, you get {e}{e}{e} (three energy counters).
Pay {e}{e}{e}: ~this~ gets +X/+X until end of turn, where X is its power.
Tarox Bladewing
{2}{R}{R}{R}
Legendary Creature -- Dragon
4/3
Flying, haste
Grandeur -- Discard another card named Tarox Bladewing: ~this~ gets +X/+X until end of turn, where X is its power.
Yew Spirit
{4}{G}
Creature -- Spirit Treefolk
3/3
{2}{G}{G}: ~this~ gets +X/+X until end of turn, where X is its power.