Mayhem Thallid

(Transforms from Sporerot Thallid)
Mycelyem, Sporelock, Sporetouch, Deathtouch
Mayhem Thallid must be blocked if able.
Saprolings have +2/+1, are horrors in addtion to other types and have "{c}, {t}: Meld with target with target saproling."
When a Saproling melds, it becomes a 7/2 eldrazi saproling with {3}{c}: Destroy target non- wastes land.
Sacrifice a saproling: Each opponent loses 2 life and sacrifices a creature.