Dungeon Master Phogen

Flying, hexproof from multicolored

Whenever Phogen deals combat damage to a player, it deals X damage to any target, target player draws X cards, and you gain X life, where X is the number of different color pairs among permanents you control that are exactly two colors.

"Despite all these paths I've set before you, you all continue to forge your own. How amusing. Let's see how fate unfolds from here."