Phyrexian Unlife (1213) - [Step and Compleat Foil, Borderless] Secret Lair Drop (SLD)You don't lose the game for having 0 or less life. As long as you have 0 or less life, all damage is dealt to you as though its source had infect. (Damage is dealt to you in the form of poison counters.)

Discard Otawara

A master of tactics

Wind-Scarred Crag enters the battlefield tapped

Return target card from your graveyard to your hand

that player loses 2 life for each 1 life they gained

you may mill six cards instead

then adapt 3

untap all creatures and lands

Sacrifice Skycloud Egg: Add {W}{U}

Its scars cut deeper than its blade

Each player gains control of all nonland permanents other than Aminatou

Each player can't cast more than one spell each turn