Drivnod, Carnage Dominus (Borderless Ichor Step-and-Compleat Foil) [Phyrexia: All Will Be One] Legendary Artifact then you may cast any

then you may cast any number of spells from among those cards without paying their mana costs

don't worry about that one

there is an additional combat phase

"Target player loses all poison counters

where X is that spell's mana value

Drivnod, Carnage Dominus (Borderless Ichor Step-and-Compleat Foil) [Phyrexia: All Will Be One] Legendary Artifact then you may cast anySet: Phyrexia: All Will Be One Type: Legendary Creature Phyrexian Horror Rarity: Mythic Cost: {3}{B}{B} If a creature dying causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time. {B P}{B P}, Exile three creature cards from your graveyard: Put an indestructible counter on Drivnod, Carnage Dominus. ({B P} can be paid with either {B} or 2 life.)