Deceiver of Form

Most copy effects are about turning your team into a single excellent creature: this one is about turning your library into the source of that creature, every combat, with a top-deck you can replace if you do not like it. The structural trick is that the 8/8 stays itself while everything else becomes the revealed creature card, so the deck wants a roster of large bodies to convert into and, crucially, an even larger one waiting on top. Stack the deck with the biggest fatties you own and a board of tokens or small Eldrazi all become that monster at once, an attack step that arithmetic alone can end the game. The "you may put that card on the bottom" clause is the quiet enabler: a bad reveal is not wasted, it is filtered away, which means the engine never fully bricks even when it whiffs on a noncreature card. What makes the card sing is that the copy applies to the printed card revealed, not a creature on the battlefield, so the body you are copying never has to survive or even be cast. It is a payoff that rewards building a library of overstatements rather than a board of them, and it asks you to treat the top of your deck as a recurring combat resource rather than a draw.