primal asspid

+2: put a -4/-4 on three different creatures and discard 3 cards for each poison counter on your opponent
-10: sumon five 4/4 primal aspids with haste, double strike, vigalince, and flying, infect, and your opponent mills 10 cards
-20: turn all 4/4 primal aspids into 8/8 primal aspids but they loss vigalince and double strike