The Light Test One of the quickest ways to check for fake Pokmon cards is the light test
The best I could come up with for locking opponents out of a Commander game with Glorious End requires getting a Glorious End exiled with Elite Arcanist along with a Paradox Engine on the battlefield
Enchantment Color tag templates(None) Karma At the beginning of each player's upkeep, this enchantment deals damage to that player equal to the number of Swamps they control
Flying and solid stats make it a real threat in combat too
A 7/7 Slug Horror, at the beginning of each player's end step, each of its controller's opponents puts a slime counter on each creature they control, with creatures getting -1/-1 for each slime counter on them
That means to keep your planeswalkers around, youll often have to play a control strategy with tons or removal, countermagic, and board wipes