Another trick is to use something like a metal board or a corkboard, though you have to be careful not to damage the cards when pinning them

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Speaking of a monster that can activate effects and shut out attacks while adjusting the attributes of the opponent's monsters, I think that the dreadfulness of this card is fully conveyed
Honda in a deck helmed by Arcades, the Strategist (who provides access to green, blue and white while also letting defenders attack) and then using one of green's creature tutors to get the sumo fighter into play
Aven Reedstalker: Solid Flash trick in Limited