Delyora, Unyielding Flame

Flying, Vigilance, Double strike.

Molten (when this creature deals combat damage to a player, place an Ember counter on that player. At the beginning of each players end step, they lose X life, where X is the number of ember counters on them.)

{2}{t}: Remove a counter from a target, place a counter of that same type on a target of your choice.

Whenever a player loses life due to Ember counters, Proliferate.