Be sure to practice before important competitions and test new mechanics
It taps to untaps a target attacking creature, causing it to neither deal nor receive damage
So removal or killing creatures in combat will net you Rat tokens
Release Date: November 17, 2017
You can pick an avatar from a selection of the games established characters, such as Jaya Ballard, Liliana Vess, or Teferi (so is somebody actually going to cast Idris Elba as Teferi, or?), but theres no attempt to depict you as a newbie planeswalker or something, aside from some slight interactions with named characters during the tutorial
Ajani Vengeant Armageddon Bear Umbra Bend or Break Bontu's Last Reckoning Boom // Bust Catastrophe Chaos Orb Cleansing Decree of Annihilation Desolation Angel Devastation Elspeth Tirel Eye of Singularity Fall of the Thran From the Ashes Impending Disaster Jalum Grifter Jokulhaups Landfill Mine Layer Myojin of Infinite Rage Obliterate Ravages of War Ruination Scourglass Solar Tide Strategy, Schmategy The Argent Etchings Urza's Sylex Wake of Destruction Winter's Chill Wrath of Leknif (playtest) Zacama, Primal Calamity