Unnatural Growth

At the beginning of each combat, double the power and toughness of each creature you control until end of turn.

Primordial Wurm

Garruk's Gorehorn

Vorstclaw

Devilthorn Fox

Kalonian Tusker

Gigantosaurus

Watchwolf

Swordwise Centaur

Isamaru, Hound of Konda

Alpine Grizzly

Collective Blessing

Jasmine Boreal of the Seven

{T}: Add {G}{W}. Spend this mana only to cast creature spells with no abilities.
Creatures you control with no abilities can't be blocked by creatures with abilities.

Leatherback Baloth

Sandwurm Convergence

Creatures with flying can't attack you or planeswalkers you control.
At the beginning of your end step, create a 5/5 green Wurm creature token.