Sin Dragon King, Lust

Flying, Indestructible, Lifelink, Soul Bond
If this card is your commander, cards in your
starting deck with devoid have no color identity
When a creature enters the battlefield under your control pair it with this creature, it gains +3/+0
haste and trample, sacrifice it at the end of turn.
When a paired creature you control dies you get a sorrow counter, then if you have 20 sorrow
counters you lose the game