Sliver Overlord [Premium Deck Series: Slivers] Scourge the only caste that cannot

the only caste that cannot be attained by either heredity or money is that of the hero

"Let go of your memories and be reborn

Set: Force of the Breaker Card type: Continuous Spell Rarity: Ultimate Rare Activate only by sending 1 face-up "Blaze Accelerator" on your side of the field to the Graveyard

and if you do any of these

This card cannot be Special Summoned except with the effect of "Yubel"

Sliver Overlord [Premium Deck Series: Slivers] Scourge the only caste that cannotSet: Premium Deck Series: Slivers Type: Legendary Creature Sliver Mutant Rarity: Mythic Cost: {W}{U}{B}{R}{G} {3}: Search your library for a Sliver card, reveal that card, put it into your hand, then shuffle. {3}: Gain control of target Sliver. (This effect lasts indefinitely.) The end of evolution.