Affinity for planeswalkers
(This spell costs
less to cast for each planeswalker you control.)
Flying (This creature can't be blocked except by creatures with flying or reach.),
vigilance (Attacking doesn't cause this creature to tap.)
Whenever an opponent attacks with creatures, if two or more of those creatures are attacking you and/or planeswalkers you control, that opponent loses 3 life and you draw a card.