Staggering Size

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

Pouncing Cheetah

Llanowar Elves

Garruk, Primal Hunter

+1: Create a 3/3 green Beast creature token.
−3: Draw cards equal to the greatest power among creatures you control.
−6: Create a 6/6 green Wurm creature token for each land you control.

Regrowth

Return target card from your graveyard to your hand.

Beast Whisperer

Whenever you cast a creature spell, draw a card.

Explore

You may play an additional land this turn.
Draw a card.

Pounce

Target creature you control fights target creature you don't control. (Each deals damage equal to its power to the other.)

Elvish Visionary

Owlbear

Trample
Keen Senses — When this creature enters, draw a card.