The Poet of Melancholy

+1: Create a Bottle artifact token. It has "Tap: Add one mana of any color. Gain 1 life."
-3: End the combat phase. Regenerate all creatures. You may activate this ability anytime you could cast an instant if you sacrifice a Bottle token.
-7: Put 7 loyalty counters on target planeswalker you control. Sacrifice this card. Activate this ability only if you control another planeswalker.