Create twice X 1/1 black and green Pest creature tokens with "When this creature dies, you gain 1 life." The number of Pests created is equal to twice the chosen value of X, no matter how many artifacts and enchantments were destroyed
Oh, and in a similar vein, the hard-to-cast but very powerful Progenitus is certainly in the conversation as well
It can completely shut down combo decks like Jeskai Ascendancy or Possibility Storm[/author]][author name="Possibility Storm"]Possibility Storm[/author] while still being quite effective against normal control decks
It wasn't until later that Clues and Food received additional support, but each new instance of any of these tokens is another win for Academy Manufactor
They enter the battlefield tapped and do not have basic land types, so they arent fetchable with standard fetch lands
Creature - Rat Rogue Removal (CTRL to add secondary) Theft Cruelclaw's Heist Gift a card (You may promise an opponent a gift as you cast this spell