I have a soft spot for creatures like Figure of Fable, which can be cast as early as turn one, and can be leveled up by paying mana into its activated ability
If it is, that permanent is exiled at the beginning of the next end step, and the card's owner may cast it from exile on a future turn
Of course, if an Altar draws artifact removal out of a tablemate's hand, that's one less spell they'll have to remove the Blackblade Reforged or Strata Scythe I'm going to use to try to push out a bunch of damage
Magic: The Gatherings new crime-family inspired set, Streets of New Capenna will be bringing us new cards, combos and most importantly, new mechanics like Casualty
Does it help your Limited deck function
6 Ezuri, Renegade Leader The Elf, The Myth, The Legend There is a lot of mystique about what really happened with Ezuri, Renegade Leader, but whether he was a hero or traitor of the forces of Mirrodin is irrelevant, since he has such a powerful card