Rosewater says the mechanic would have generated Skirmish tokens, cards that existed outside of the usual battlefield and had a "game board" you'd need to advance across to win the mini-battle
The best target, however, will almost always be Merlin, Goat, who truly seems to be the G.O.A.T
Or, if you have a creature you want to keep, you can opt to not untap Old Man of the Sea to ensure it sticks to your side of the battlefield
Each deck contains: 100 cards in one ready-to-play deck 30 of which are brand-new cards made specifically for this commander set
That said, they will need to sacrifice an additional land when doing this, which is likely enough to slow them down
Black bordered flowers are even more expensive than their Unlimited cousins