All Might, One for All

+1: Hero creatures you controll get +2/-1 until end of turn.
-2: Add 3 mana of any colour to your mana pool. Use this mana to only cast Hero creature cards.
-8: You gain an emblem with "Heros you control have +3/+3 and trample" then transform All Might, One for All into All Might, true form.