Lil' Nahiri, Dual Wielder

: When Lil' Nahiri enters the battlefield, if you control at least two other common-rarity Planeswalkers, tutor for an artifact with CMC 3 or less.
-2: Target creature gets +2/+1 and first strike until end of turn. If it's an artifact creature, draw a card.
-3: The next spell you cast this turn costs (1) less to cast for each common-rarity Planeswalker you control.