Elven, Master Of Elves

Elven enters the battlefield with X master counters on it. Elven's toughness is equal to the number of master counters on it. When Elven dies, create 2 1/1 green and white elf soldier creature tokens for each master counters on it.{t}: create a 1/1 green and white elf soldier creature token, then put a master counter on elven, then if there are 10 or more master counters on elven you may exile it, if you do, you get an emblem with "whenever a creature were to enter the battlefield under your control, if i