Flow

Flow comes into play with 6 elemental charges, when Flow has no charges left; transform Flow into a Void Emblem.
|-3| Create a copy of target creature until your next main phase.
|-2| Target a creature, if a creature you control is targeted this way, it gains flying and whenever it attacks draw a card. If a creature an opponent controls is targeted this way, it becomes tapped and loses all abilities until your next main phase.
|-1| Create a shard token.