Energy Tap

Counter target spell. At the beginning of your next main phase, add an amount of equal to that spell's mana value.

Gain control of target creature with mana value X or less. If X is 5 or more, create a token that's a copy of that creature.

, Tap an untapped artifact or creature you control: Add .

Channel — , Discard this card: The owner of target nonland permanent puts it on their choice of the top or bottom of their library.

Gain control of target creature with mana value X.

Counter target spell if its mana value is less than or equal to the greatest mana value among permanents you control.

As an additional cost to cast this spell, tap four untapped creatures you control.

Draw three cards.