Murktide Regent [Modern Horizons 2]

Description

Set:	Modern Horizons 2
Type:	Creature — Dragon
Rarity:	Mythic
Cost:	{5}{U}{U}

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)
Flying
Murktide Regent enters the battlefield with a +1/+1 counter on it for each instant and sorcery card exiled with it.
Whenever an instant or sorcery card leaves your graveyard, put a +1/+1 counter on Murktide Regent.