Mid-range pick: multi-row deck case with dividers Cardboard stops the chaos, but style and portability start to matter once kids trade on the go
There are three primary ways to win with tokens: You attack with enough creature tokens that your opponent cant possibly hope to block them all, You pair your token generation with Mirkwood Bats, Impact Tremors, Zulaport Cutthroat, and similar effects that drain your opponents life total as your tokens enter and leave the battlefield, or You have sacrifice outlets that let you cash in tokens to kill blockers and/or drain your opponents life, like Goblin Bombardment
12 Damage Counters is nothing to sneeze at and it could be seen as a 1-turn immunity for the Pokemon using it
Lastly, Stadium Trainer cards are played in the middle of the arena and affect both you and your opponent
With that said, Arwen, Mortal QueenArwen, Mortal Queen does exist, and curves quite nicely into this nonsense