oh ho pokemon card HO-OH Eternal Flame VMAX Weakness / Resistance / Retreat Cost Ho-Oh | Surging Sparks |

Bartolom del Presidio Yahenni, Undying Partisan was one of the strongest sacrifice commanders, but I think Bartolom del Presidio has power crept it out of the format

Draw cards equal to the result

Other creatures you control enter with an additional +1/+1 counter on them for each opponent who lost life this turn

The Mystery Booster 2 Playtest Card Notes section (reproduced here in individual Gatherer rulings) provides guidance for fitting these cards into the existing rules structure

Complimenting its massive scale, Emrakul, the Promised End has flying, trample, and protection from instants, allowing it to both easily deal damage and protect itself from instant-based removal

Only, instead of you losing life when you cast it, you give your foe the same advantage