: Exile another target creature or artifact you control. Return it to the battlefield under its owner's control at the beginning of the next end step.
Abuelo is a blink/protection engine: hold up to flicker your best ETB creatures for repeated value, dodge targeted removal and board wipes, and reset auras/counters. Build a value-engine deck around enters-the-battlefield triggers and finish by snowballing card advantage and board presence into a controlling win.
Built-in protection: ward plus the ability to flicker himself or threats out of removal at instant speed
Repeatable ETB abuse from a 3-mana commander, generating relentless card and board advantage
Can save a creature from board wipes by exiling it and returning it after the wipe resolves
Flying body that can chip in or wear equipment while the ability does the work
Endless flexibility in blue-white: counters, wraths, and flicker payoffs all fit
Ability is mana-intensive (3 mana per activation) and only targets one permanent at a time
UW lacks fast ramp and direct damage, so closing games can be slow
Reliant on having strong ETB creatures in play to convert mana into value
Vulnerable while tapped out; the protection only works if you've kept mana open
No native card advantage outside the engine—dead draws when the board is empty