It can let you essentially use all your lands twice, all while forcing a discard from an opponent as if the land untapping wasn't good enough
Which is precisely the weakness of RealmwalkerRealmwalker: If you're doing Kindred things, then this is going to be one of the best cards in your deck
Vona, Butcher of Magan offers board control when you have life to spare
The bane of Brave Decoy is Cavern Entrance (4U355)
Sorcery Color tag templates(None) Nature's Lore Search your library for a Forest card, put that card onto the battlefield, then shuffle
The only problem is that Volcano Hellion also deals the same amount of damage to us, which means that without some extra help, if we choose to deal 1,000,000 damage with Volcano Hellion, we'll end up dying before our opponent does to Stuffy Doll