Primeval Force

When Primeval Force enters, sacrifice it unless you sacrifice three Forests.

Giant Growth

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

Spined Wurm

Forest

Wood Elves

When Wood Elves enters, search your library for a Forest card, put that card onto the battlefield, then shuffle.

Rampant Growth

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Rhox

You may have Rhox assign its combat damage as though it weren't blocked.
{2}{G}: Regenerate Rhox. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Hunted Wumpus

When Hunted Wumpus enters, each other player may put a creature card from their hand onto the battlefield.

Lure

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

Naturalize

Fyndhorn Elder

Elvish Pioneer

When Elvish Pioneer enters, you may put a basic land card from your hand onto the battlefield tapped.

Lone Wolf

You may have Lone Wolf assign its combat damage as though it weren't blocked.

Llanowar Behemoth

Tap an untapped creature you control: Llanowar Behemoth gets +1/+1 until end of turn.