mtg indicate test card Mystery Booster Playtest Cards 2021 - Visual Spoiler Test Cards : r/mtg

This card is so good that it is banned in five formats, but still legal in Commander, so you know its powerful

(9/19/2025) A modal double-faced card can be transformed or be put onto the battlefield transformed

1 Aclazotz, Deepest Betrayal // Temple Of The Dead The Bat God Aclazotz, Deepest Betrayal is a creature that's hard to permanently take care of since if it dies, it transforms into a land

Many players found that with Mox Diamonds, Lotus Petals, and Lion's Eye Diamonds, they could dump their entire hand on turn one, then cast Windfall to draw a full hand of seven new cards before the opponent even got a first turn

These are central to the mana bases of most formats that include them and are overall well-balanced and fun