Yarok, the Desecrated (Serialized) [Multiverse Legends] Creature — Human Monk // Legendary Creature You create a tapped Powerstone

You create a tapped Powerstone token for each nonland card in that player's graveyard that was put there from the battlefield this turn

Sacrifice a creature: You gain X life and draw X cards

Mana abilities of Thran Portal cost an additional 1 life to activate

Set: Commander 2011 Type: Creature — Human Wizard Rarity: Rare Cost: {G} At the beginning of each player's precombat main phase

and this is the result

Yarok, the Desecrated (Serialized) [Multiverse Legends] Creature — Human Monk // Legendary Creature You create a tapped PowerstoneSet: Multiverse Legends Type: Legendary Creature Elemental Horror Rarity: Mythic Cost: {2}{B}{G}{U} Deathtouch, lifelink If a permanent entering the battlefield causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time. Its blighted heart, its spinous hands To break the hosts that foul its lands. Triumph of Bala Ged, stanza 6