Its the Silverquil (WB) mechanic Converge If you cant decide what college to play and want to go all five colours, Converge is the mechanic for you, providing a bonus for each colour of mana used to cast the spell Flashback Not much to say here: Flashback, one of the most beloved mechanics of all time, returns here for the history-loving Lorehold
3 Add: Rhythm Of The Wild Cut: Zenith Festival The Temur Roar deck has no counterspells in the main 99 and thats okay despite having access to blue
You should probably grab both of them if youre looking to bolster your forces
Weve got to look at this deck list too: "Groundbreaker Exodus Theme Deck" Creatures (13) 1 Dauthi Slayer 1 Monstrous Hound 1 Scalding Salamander 2 Dauthi Jackal 2 Thrull Surgeon 2 Vampire Hounds 3 Anarchist 1 Thopter Squadron Spells (23) 1 Necrologia 1 Searing Touch 3 Diabolic Edict 3 Shock 1 Evincar's Justice 1 Nausea 2 Aftershock 3 Flowstone Flood 3 Rain of Tears 4 Stone Rain 1 Volrath's Dungeon Yes, thats right, its a land-destruction theme deck
Artifact Creature Wizard Prototype 2/1 (You may cast this spell with different mana cost, color, and size