You can effectively double your damage output by swinging in with your army of 1/1 tokens and then sacrificing them after damage for that same amount
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
Value explained Cards in the Pokemon Lost Origin expansion vary in price, depending on their rarity, of course
$36.62 $34.74 $100.00 Garchomp ex 245/182 The Apex Predator of Paradox Rift If you hear the rumble of something tearing through your booster pack, theres a good chance its Garchomp ex #245/182 and trust us, this Special Illustration Rare is built to dominate
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