Skoll, Druid Avenger

{g}: Regenerate
Plant Creatures You control get +2/+2
When ever Skoll, Druidic summoner Attacks
Create 2 1/1 plant creature tokens
At the Beginning of your second main phase, if you control Skoll, Druidic Avenger And Hati, Dread Bringer Exile Them and then meld into Fenrir, herald of Ragnarok