mtg cards that deal damage when you gain life Magic the Gathering Shadowmoor Common Rite of Consumption #76 Rite of Consumption deals damage equal to the sacrificed creatures power to target player Reverse Damage · Seventh Edition

We do have confirmation that there are going to be collector boosters, bundles, play boosters, though there won't be any Commander preconstructed decks with this set

That would allow us to only have to pay one Blue for each target after the initial one blue and one colorless to activate the spell

Since you will be sacrificing artifacts to Flamewars ability (ideally treasure tokens), you might as well get some value out of it

Legends Cleanse 124,99 Cleanse Legends MTG single

Its mana pips are a bit restrictive to slot it into an ooze build since they tend to be green, but I like the symmetry of dishing out -1/-1 debuffs while gaining its own +1/+1 counters