monarch structure deck yugioh YU-GI-OH! - Erebus The Underworld (SR01-EN001) - Deck: Emperor of Darkness - Edition up on the field to activate and to resolve this effect Ehther the Heavenly Monarch Structure

This could make for a lot of deck manipulation if you commit to the bit, but expect to get tongue-tied at some point

However, there are some incredible tools to work around this restriction, and the best card in this regard is Mudragon of the Swamp

Pick one of five different decks, each with its own personality, then battle your friends and family in one-on-one bouts or multiplayer melees

What set is Playful Possum from

It also allows you to set Maliss Traps from the deck or reuse one already in the graveyard

Kotis can definitely be vulnerable when it first hits play, but with blue countermagic on your side, it should be easy to get it going