mtg marvel secret lair bonus cards : r/magicTCG you may exchange his text box and another creatures Marvel Secret Lair Bonus Card
Description
This card grants additional red and/or blue mana based on its power at the time you activate its ability
However, in retrospect, I turned out to be wrong
Lock and Load Outlaws of Thunder Junction had to find a mechanic which could represent the sudden flurry of a quick-draw duel deliberate stillness broken by decisive action
stay tuned
