Combine this with the cost of casting Vivis Persistence in the first place, and youve got an inefficient engine
Whether you sacrifice actual Food Tokens or your other creatures to gain life, or when the creatures die due to any other means, Ygra grows by two points for both power and toughness each time, making her so much larger, so much faster
General Notes The Silver-Bordered Golden Rule (Silver Rule?) If a card refers to certain features of a card, say a watermark or a creature's power, look at the actual card you're playing with to figure out the results
Paying Neyith of the Dire Hunts three-mana ability at the beginning of combat will double Anzrag, the Quake-Moles power to 16 and require a creature to block it
I think it's more tailored towards 60 card formats as well, but in a faster/cEDH environment this might be able to be sweet for sniping combo pieces and fast rocks
If there are fewer than nine cards left in the opponent's library as the ability resolves, you look at all of the remaining cards