Gadal, Relic Slinger

(If {w/u} was paid with {u}, this is white and blue.)
Lifelink, vigilance.
As long as Gadal, Relic Slinger is blue, you have
no maximum hand size.
Tap an artifact you control: tap target creature.
Tap two artifacts you control: draw a card.
Tap up to three artifacts you control: target
creature has your choice of lifelink, first strike,
and/or vigilance this turn. It can only gain an
amount of these abilities equal to the number of artifacts you tapped.