Oloro, Ageless Ascetic [Commander 2013] Explorers of Ixalan Set: Limited Edition Alpha Type:

Set: Limited Edition Alpha Type: Creature — Skeleton Common Cost: {1}{B} {B}: Regenerate Drudge Skeletons

if you prefer

players can't untap more than two permanents during their untap steps

As Breeding Pool enters the battlefield

protection from black Echo {3}{W}{W} (At the beginning of your upkeep

Oloro, Ageless Ascetic [Commander 2013] Explorers of Ixalan Set: Limited Edition Alpha Type:Set: Commander 2013 Type: Legendary Creature Giant Soldier Mythic Cost: {3}{W}{U}{B} At the beginning of your upkeep, you gain 2 life. Whenever you gain life, you may pay {1}. If you do, draw a card and each opponent loses 1 life. At the beginning of your upkeep, if Oloro, Ageless Ascetic is in the command zone, you gain 2 life.