mtg cards like living death Phyrexia vs. the Coalition Card LP MTG Lost Caverns of Ixalan

Vren does two things -- makes our opponents creatures get exiled when they die and makes rats

Once Brotherhood Spy's ability has resolved, removing the legendary Assassin (or Assassins) you control from the battlefield or causing them to lose the legendary supertype or Assassin subtype won't cause Brotherhood Spy's ability to stop applying for that turn

Market volatility for singles

And in later iterations of the Goblin value deck, Mogg War Marshal and friends would use Skirk Prospector to fuel an overpowering early Empty the Warrens to overrun opponents

As usual, the higher the rarity of a Wildcard, the harder it is to obtain

Here are a couple of examples: Chroma, as seen on Springjack Shepherd was the early version of the mechanic that became devotion