Plaguecrafter Valtel

Obscurity —As long as Plaguecrafter Valtel is
in the graveyard or on the battlefield, at the
beginning of your upkeep you may pay 3 life.
When you do, create an Elixer token.
Other Mutant creatures you control get +1/+1
and have afflict 1.
{t}, Sacrifice an Elixer token: Create a 3/1 red
Mutant creature token with haste.