Karivac Farsnake

-1: Place 2 loyalty counters on target Planeswalker.
-2: Target creature becomes a 2/2 Red Blood-Soaked creature, and loses all abilities until the start of your next turn.
-7: up to three target creatures become 2/2 Red Blood-Soaked creatures, and lose all abilities. Planeswalkers you control gain 4 loyalty counters.