Garruk, Wrath of the Wilds

[+1]: Choose a creature card in your hand. It perpetually gets +1/+1 and perpetually gains "This spell costs {1} less to cast."
[−1]: Draft a card from Garruk, Wrath of the Wilds's spellbook and put it onto the battlefield.
[−6]: Until end of turn, creatures you control get +3/+3 and gain trample.