A truly colorless creature needs to be unaligned with what the five colors of Magic can do, and it cant do something neutral and particularly powerful for a cheap cost since that would be easily exploitable
But you don't choose a mode when you cast Ertai as a spell you do so when Ertai enters, as an ability
If a player is instructed to set multiple schemes in motion, that player sets a scheme in motion that many times
The success and popularity of Fires of Yavimaya is due to a confluence of several factors
Salvation Engine $10.45 Salvation Engine has all the right words on it, except one: haste
Alchemist's Gambit All in Good Time Alrund's Epiphany Avatar Kuruk Capture of Jingzhou Chance for Glory Emrakul, the Aeons Torn Expropriate Final Fortune Frenetic Efreet Avatar Gonti's Aether Heart Ichormoon Gauntlet Kang the Conqueror Last Chance Lighthouse Chronologist Lost Isle Calling Magistrate's Scepter Magosi, the Waterveil Medomai the Ageless Mu Yanling Nexus of Fate Notorious Throng Otaria Part the Waterveil Perch Protection Phone a Friend Plea for Power Ral Zarek Regenerations Restored Rise of the Eldrazi Sage of Hours Savor the Moment Search the City Second Chance Seedtime Stitch in Time Teferi, Timebender Temporal Extortion Temporal Manipulation Temporal Mastery Temporal Trespass Time Bends to My Will Time Sidewalk (playtest) Time Sieve Time Vault Time Walk Timestream Navigator Twice Upon a Time Ugin's Nexus Ultimecia, Omnipotent Wanderwine Prophets Warrior's Oath Wormfang Manta