Speaking of exhausting, this 6/6 Nightmare will quickly tire you out when youre facing it down
I mean okay, it does set up potential theft like Mnemonic Betrayal, but looking over the current Rogues available and they don't really support this mill theme
Why are we talking about it here
Avoid starting with five or six different attackers that do unrelated things
Cards like Herald of the Host and Caller of the Pack demonstrated what the mechanic could do across different playstyles
It's only on seven cards, and six of them are colour pairs: one Azorius (white and blue), one Gruul (red and green), one Selesnya (green and white), one Orzhov (black and white), one Izzet (blue and red), and one Boros (red and white)