Back to spoilers
Reito Sentinel
Artifact Creature — Construct
Defender When this creature enters, target player mills three cards. (They put the top three cards of their library into their graveyard.) : Put target card from a graveyard on the bottom of its owner's library.
Power/Toughness:3/3
uncommon · #256 · neo
Previewed: February 3 · Spoiled by Wizards of the Coast