yugioh g golem deck Yu-Gi-Oh! - Medium Piece (TDGS-EN007) - The Duelist Genesis - 1st Edition You can only use this effect of G Golem Crystal Heart once per turn YGOrganization | Creative Deck Profile:

But having those dead cards is actually not so bad for Vespiquen because you can just discard them, and they still add value to your attack

Special Summon 3 "Umbral Horror Mirage Tokens" (Fiend-Type/DARK/Level 1/ATK ?/DEF 0)

These don't lock you into specific summoning, allowing them to be used generically for a variety of powerful Xyz and Link Monsters

However, there is one other method of slowing down the game that some players overlook, as resetting your board state can be powerful in some cases

For example, if you control Johann, Apprentice Sorcerer ("Once each turn, you may cast an instant or sorcery spell from the top of your library") and Promise of Aclazotz is on top of your library, you can cast Foul Rebirth, but not Promise of Aclazotz

Swing into the game