Rakan, the Charmer

Partner with Xayah, the Rebel (When this creature enters the battlefield, target player may put Xayah,
the Rebel into their hand from their library, then
shuffle.)
Vigilance, haste.
When Rakan, the Charmer enters the battlefield
tap each creature target player controls.
Creatures you control gain haste and +2/+2 until
end of turn.