Rumi, The Secret Sky

Flying, Persist, Devour. If your Devotion to R, G, or W is four or more: At the end of your turn distribute X +1/+1 counters onto other creatures you control, where X equals the twice the number of Cache tokens you control, rounded up (min two).Whenever a creature you control dies, create a tapped Cache token. Creatures you control have Reach and Vigilance.