Rout, from Invasion , was among the best from this era, and it cost more than the original, Wrath of God, though it could, admittedly, be played at instant speed for an extra
Under the London mulligan, Mono-Green Tron has the best possible draw with obscene regularity
the process can vary based on the deck
Marath is a huge combo engine and while early adopters of the format have bad beats stories about this card, newer players might have missed that day in class and they can surprise their playgroup next time they meet
That ultimately still leaves this as a fairly polar card that you cannot control the power of fully
The worst that could happen is they block and trade, or maybe turn over a Sage-Eye Harrier and you get a stalemate