Yggdrasill, The World Tree

{t}, add one {c} to your Mana pool
{2}{t}, roll a 6-sided die if 1 or 2, create 2 1/2
green bird creature tokens with flying and
haste. If 3 or 4, create a 1/1 green snake token
with deathtouch and first strike. If 5 or 6,
create a 3/2 green beast token with trample