Excalibur Sword of Eden 72 (Universes Beyond: Assassin's Creed) Slime Sovereign you may exile an instant

you may exile an instant card with mana value 2 or less from your hand

Reveal the top card of your deck and put it into your material deck preserved

The escape cost is equal to the card's mana cost plus exile three other cards from your graveyard

double Okaun's power and toughness until end of turn

(Each {U} in the mana costs of permanents you control counts toward your devotion to blue

Excalibur Sword of Eden 72 (Universes Beyond: Assassin's Creed) Slime Sovereign you may exile an instantThis spell costs {X} less to cast, where X is the total mana value of historic permanents you control. (Artifacts, legendaries, and Sagas are historic.) Equipped creature gets +10 +0 and has vigilance. Equip legendary creature {2}