mtg cards like fact or fiction - Commander Legends #396 (English) Reveal the top five cards of your library Fact or Fiction (Retro) [Dominaria

Its also useful with your sacrifice outlets

Its power can spiral out of control and take out an unsuspecting opponent in a flurry of spells in combination with a few combat tricks

For two mana, this artifact has a three-mana activated ability that allows the Altar to be tapped to exile a creature under its owner's control in order to return any creature from their graveyard to the battlefield

(2025-06-06) If another effect (or effects) modifies how much damage a source you control would dealby preventing some of it, for examplethe player being dealt damage or the controller of the permanent being dealt damage chooses the order in which any such effects (including Lightning's) apply

Note that you essentially cant play around this in isolation, as its far too rare to put them on unless they have one