Vi, Rebel of the Undercity

Double strike
{4} {t} Create Hextech Gauntlets, a legendary colorless Equipment artifact token with "Equipped creature has +1/+3", equip {4} and equip Vi, Rebel
of the Undercity, discard 2 cards.
Whenever Hextech Gauntlets are equipped to Vi,
Rebel of the Undercity transform Vi, Rebel of the Undercity and exile Hextech Gauntlets.