Scorpion

Reach
Hellbent - at the beginning of your draw step, if
you have no cards in hand, you may pay 3 life; if
you do, draw an additional card, and each
opponent discards a card.
{r},{b},{t}: Scorpion phases out.
{b},{r},{ut}: Scorpion phases in. When you untap
Scorpion this way, you may pay an additional {1}. If you do, target opponent discards a card.
Partner with Sub-Zero