Sumarna, the indebted

Flying, lifelink
At the beginning of each opponent's upkeep. That player chooses to put a +1/+1 counter on up to 2 creatures that player controls. Or put a colorless debt artifacts token with "{t}, sacrifice this artifact: add one mana of any color to your mana pool. Creatures with +1/+1 counter from Sumarna cannot attack you or plainswalkers you control. Whenever a player sacrifices a debt artifact token Sumarna deals 2 damage to that player.