Devilish Valet
Creature — Devil Warrior
Trample, haste
Alliance — Whenever another creature you control enters, double this creature's power until end of turn.
Bud Cook
Magic Online Promos (PRM)
• #99741Rulings
To double a creature's power means that creature gets +X/+0, where X is its power as the ability resolves.
(wotc • 2022-04-29)
Rulings
To double a creature's power means that creature gets +X/+0, where X is its power as the ability resolves.
(wotc • 2022-04-29)