" Alongside landfall cards or cards like The Gitrog Monster, "Sin, Spira's Punishment" will allow you to create a pretty deep mana bank
It also has a number of mechanics rarely seen in official sets since
First, Sorin of House MarkovSorin of House Markov needs a bit of work to transform but, once it does, it becomes an extremely menacing weapon that could deal a lot of damage to our opponent
FromTheShire: This is one of those great cards that doesn't seem QUITE threatening enough to demand immediate spot removal for a lot of players, but will snowball very quickly if left on the table
Storm, Force of Nature Lightning Bolt (242k decks, $1 to $600) Jeskas Will (398k decks, $20 to $90) Ice Storm (374 decks!, $8 to $300) Manamorphose (22k decks, $4 to $30) Storm is terrifying, a must-kill threat who can wreck a table in a bunch of different ways