Things like Commander, Library, Sideboard, Companion, etc
This Gandalf the White promo would be expensive even if it was widely available, but only the best of the best were able to get their hands on it
Of course, if a player has an instant spell with enough untapped mana or a mana ability on a card already on the battlefield, the aftermath spell can be thwarted in some way
In the misprint community, value is driven by uniqueness and drama
Between the set of World Breakers, the Chandras, the Ugins, and Sanctum of Ugin, you shouldnt have any trouble finding a way to close the game
(Attacking doesn't cause this creature to tap.) Creature - Human Samurai Color tag templates(None) Metallic Mimic As this creature enters, choose a creature type