This is obviously going to be best when your deck is spitting out creature tokens from other sources too so you can make a copy during each end step, not just your own
Otherwise, you can also pick up Scarlet & Violet ETBs at close to market price, Mega Kangaskhan Collection boxses, Mega Moonlit Tins, Mega Lucario ex Battle Decks, and plenty more
Are new Pokmon cards worth collecting
The first two are each accompanied by a rule booklet which walks players through the opening turns of a game, so they simply need to lay out the cards as instructed and follow the tutorial
12 Donquixote Doflamingo (G/P) Play The Game With Two Extra DON
There's very little chance that a drop like this will have any meaningful amount of excess value