While this card is on the field, monsters with Thorn Counters cannot attack, also during each player's End Phase, the turn player takes 400 damage for each Thorn Counter on their field
That setup gives you the full multiplayer experience, complete with shifting alliances, table politics, and several opponents who may or may not remember that you attacked them six turns ago
Alchemy Comes to Paper
Imagine, if you will, a world in which you jostle in the playground for swaps of players to add to your Premier League 1996 annual, but with the added excitement that your Phil Babb can fight their Warren Barton with fire blasts and psychic shockwaves
How convenient then that when creatures that fit into this newly introduced type of batching deal damage to a player, Olivia, Opulent Outlaw creates a Treasure token