Repeatable damage on your opponents upkeep feeds Valvagoth, preventing players from gaining life makes each hit matter more, and the random opponent selection keeps players on their toes and engaged (I always recommend a roll-off where the lowest player loses)
However, what makes Magmar such an aggressive Fire-type is that it is compatible with Blaine
Out of all the mechanics Magic: The Gathering's Edge of Eternities introduced, warp is by far the one with tthe most potential
The retail price is 5,400 (~$37), but boxes trade well above retail on the secondary market
Known as Protostoise, this Wizard of the Coast English prototype sits at lot #1, features a Magic: The Gathering card back, and is the first of its kind ever authenticated by PSA