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
Every time this guy attacks, you draw two cards and trash one
14 Graaz, Unstoppable Juggernaut Can't Stop, Won't Stop Look, sometimes in a Commander game you just want to smack your opponents around with some powerful creatures
Replicas, however, usually suffer from a flat holographic effect
Each of those options is a mode
God-Eternal Kefnet isnt doing zombie stuff, but its huge for its cost and the abilitys great for a spellslinger deck