I filtered through thousands of options to find the ones that actually shape games
Weird mana cost notwithstanding, this is very negligible in EDH, and Anti-Venom, Horrifying Healer is an excellent reason to play mono-white in EDH
This ranges from +1/+1 counters on a creature you control to -1/-1 counters on a creature you (ideally) dont control to planeswalker loyalty counters, charge counters on artifacts, level-up counters, etc
For example, let's say your opponent had arror in his or her hand and wished to destroy your Shivan Dragon
Weakness: Water Resistance: none Retreat: 3 Drednaw VMAX - Water - 320 HP Pokmon - VMAX - Evolves from Drednaw V Ability: Solid Shell This Pokmon takes 30 less damage from attacks (after applying Weakness and Resistance)
In any given Meren sacrifice deck you should include Plaguecrafter, Victimize, Caustic Caterpillar, Viscera Seer, Accursed Marauder, and any other cheap way to get sacrifice triggers