Serra the Benevolent 26 (Modern Horizons) - Foil 000 you may look at the

you may look at the top card of your library any time and you may play cards from the top of your library

Melee (Whenever this creature attacks

During this turn

Flash Vigilance Aegis of the Emperor — Commanders you control have protection from everything

Mug — Whenever Locke attacks

Serra the Benevolent 26 (Modern Horizons) - Foil 000 you may look at the+2: Creatures you control with flying get +1 +1 until end of turn. 3: Create a 4 4 white Angel creature token with flying and vigilance. 6: You get an emblem with "If you control a creature, damage that would reduce your life total to less than 1 reduces it to 1 instead."