Reaha, poisoned stone's

Deathtouch, Reach, Haste, Infect, Stoned 1
(Whenever it deals combat damage to a player,
roll 1 d20. if you rolled a 20, that player gets stoned/lose.)
{t}: Reaha, poisoned stone's gets a +1+1 counter.
For each +1+1 counters Reaha, poisoned stone's
gets, opponents gets a poison counter.
{p/g}{p/g}{p/g}{p/g}: Proliferate.