Lizardian Rune

You may {t} and pay {2}, and if you do roll a d20
dice.
•1 - 6 = +3 lives
•7-9 = create a 1/1 lizard token and a 0/3 lizard tail
token
•10 - 17 = draw 2
{bull}18 - 19 = untapp all lands, they generate double mana
this turn
{bull}20 = all lizards gain +2/2 and flying. (they lose flying
at the end of your next turn, THEY don't lose +2/2)