It's graveyard hate against lots of decks in the format and you can even use a spell from your opponent against them like card draw or a dead planeswalker
The UW Control players dream, this group hug looking deck gives cards to everyone, and then casts spells entirely at instant speed for as long as it can keep Heliod in play
Creatures of the chosen type don't untap during their controllers' untap steps
The design handoff had more than actually made it through development, but eight cards actually saw print: Brass Secretary, Capashen Standard, Heart Warden, Illuminated Wings, Marker Beetles, Plague Dogs, Slinking Skirge, and Yavimaya Elder
Otherwise, that creature gets +2/+2 until end of turn
If Vault 87 leaves the battlefield before its first chapter ability resolves, you won't gain control of the target creature at all