Custodi Soulbinders is a rare Creature — Human Cleric card from Commander Anthology Volume II (CM2), collector number 23. Current market price: $0.37, TCGplayer market prices via Scryfall.
This creature enters with X +1/+1 counters on it, where X is the number of other creatures on the battlefield. {2}{W}, Remove a +1/+1 counter from this creature: Create a 1/1 white Spirit creature token with flying.