At the beginning of your first main phase, you may pay {G}. If you do, transform Oko. +2: Up to one target creature gains all creature types. (This effect doesn't end.) +1: Target creature gets -2/-0 until your next turn.

At the beginning of your first main phase, you may pay {U}. If you do, transform Oko. −1: Mill three cards. You may put a permanent card from among them into your hand. −3: Create two 3/3 green Elk creature tokens. −6: Choose a creature type. You get an emblem with "Creatures you control of the chosen type get +3/+3 and have vigilance and hexproof."