Kami of the Hunt

Whenever you cast a Spirit or Arcane spell, target land becomes a 3/3 creature until end of turn. It's still a land.

Whenever you cast a Spirit or Arcane spell, each other creature you control gets +1/+1 and gains trample until end of turn.

Whenever you cast a creature spell that has an Adventure, this creature gets +1/+1 until end of turn. (It doesn't need to have gone on the adventure first.)

Whenever you cast a spell, this creature gets +X/+X until end of turn, where X is that spell's mana value.

Whenever you cast a multicolored spell, this creature gets +3/+3 until end of turn.

Whenever a Forest you control enters, this creature gets +2/+2 until end of turn.

Whenever you cast a Treefolk spell, this creature gets +2/+2 until end of turn.