Splendorous Ultimatum

Splendorous Ultimatum deals 4 damage to each
opponent and each planeswalker they control.
Until end of turn, creatures you control get
+4/+4. Until end of turn those your opponents
control have base power and toughness of 1/1.
Until end of turn, you may cast instant spells
with converted mana cost 4 or less from your
hand without paying their mana costs.
"Enlightenment is victory."