Goreclaw, Terror of Qal Sisma

Creature spells you cast with power 4 or greater cost {2} less to cast.
Whenever Goreclaw, Terror of Qal Sisma attacks, each creature you control with power 4 or greater gets +1/+1 and gains trample until end of turn.

Werebear

{T}: Add {G}.
Threshold — Werebear gets +3/+3 as long as seven or more cards are in your graveyard.

Massive Might

Target creature gets +2/+2 and gains trample until end of turn.

Forest

Grizzly Bears

Adventurous Impulse

Look at the top three cards of your library. You may reveal a creature or land card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

Rabid Bite

Target creature you control deals damage equal to its power to target creature you don't control.

Giant Growth

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

Owlbear

Trample
Keen Senses — When Owlbear enters, draw a card.