yugioh cards that can attack directly xtr Drill Barnacle - Yugipedia

With Mogg Assassin, losing the coinflip wont cause you to merely delay the detonation of a bomb that will destroy the opponent but actually light the fuse that will result in its owners undoing

2, tap: Choose a color, Add an amount of mana of that color equal to the number of creatures you control of the chosen type

This could also theoretically see some plan in a Lands shell with Thespian's Stage being able to copy it and Loam being able to recur it in order to continue making constructs with it, and that alone could be a real shell for it, except for the fact that Field of the Dead is likely just a better long game card

So, if you find something that is an amazing deal, you might want to jump on it