Adeline, Resplendent Cathar

Vigilance
Adeline's power is equal to the number of creatures you control.
Whenever you attack, for each opponent, create a 1/1 white Human creature token that's tapped and attacking that player or a planeswalker they control.

Divine Offering

Destroy target artifact. You gain life equal to its mana value.

Regal Bunnicorn

Regal Bunnicorn's power and toughness are each equal to the number of nonland permanents you control.

Dust to Dust

Death Ward

Swords to Plowshares

Exile target creature. Its controller gains life equal to its power.

Brainwash

Enchant creature
Enchanted creature can't attack unless its controller pays {3}.

Festival

Cast this spell only during an opponent's upkeep.
Creatures can't attack this turn.