mewtwo pokemon card 10/102 Base Set Unlimited Holo CGC 8 Retreat Cost Mewtwo 10/102 French Pokemon Base

Kenessos, Priest of Thassa Kenessos, Priest of Thassa is a slightly rougher fit for sea creatures

Even less valuable versions of this card (that is to say, damaged and ungraded) can net nearly $100

Blue Sun's Twilight

(First, return all cards to where they were as the turn began

An argument can be made for returning your board to hand if someone else wipes, but this also means your opponents now have access to their cards in hand again, a lot of those which will potentially have better and more impactful enter the battlefield (ETB) effects than your own

Notably, this means you may respond to that ability by giving a creature toxic (or more toxic) in order to draw more cards