Ruinard, Hero’s Demise

{b}{r}, Pay 3 life, Sacrifice three creatures: Each opponent sacrifices a creature with the highest converted mana cost among creatures they
control. Return those creatures to the battlefield
under your control. They gain shadow and haste
until end of turn. Sacrifice them at the beginning
of the next end step.
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"How unfortunate your legendary quest for the shard
ends here, valiantly.."