Atraxa, Praetors' Voice [Commander 2016] Goblin Scout {T}: Add five mana in

{T}: Add five mana in any combination of colors

Dragons Type: Creature — Kithkin Knight Rarity: Rare Cost: {3}{W} Knight creatures you control have double strike

(Then planeswalk away from this phenomenon

−X: Return target nonlegendary creature card with converted mana cost X from your graveyard to the battlefield

and what to do when either goes wrong

Atraxa, Praetors' Voice [Commander 2016] Goblin Scout {T}: Add five mana inSet: Commander 2016 Type: Legendary Creature Phyrexian Angel Horror Rarity: Mythic Cost: {G}{W}{U}{B} Flying, vigilance, deathtouch, lifelink At the beginning of your end step, proliferate. (Choose any number of permanents and or players, then give each another counter of each kind already there.)