boko base

whenever a player casts a spell with a mana
cost 4 or less or less create a food token with
pay 2 colorless and tap it sacrifice this artifact
gain 3 life if it had a mana cost 5 6 or 7 create a
or 7 create a 2/2 boko token if it had a mana
cost 8 or more create an emblem with creatures
you control have +2/+2 and hex proof and haste