Nighthowler - [Foil] Zendikar Rising Commander (ZNC)Bestow {2}{B}{B} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.) Nighthowler and enchanted creature each get +X +X, where X is the number of creature cards in all graveyards.

Exile Time Reversal

Create a Treasure token for each card put into your graveyard this way

He can now replicate my own creations with near-perfect accuracy

but I'm merely a sapling among mighty oaks

Guile can't be blocked except by three or more creatures

put them onto the battlefield tapped

"May you shade three generations of seedlings

It's about to get weird

you gain 1 life for each Elf you control

and dual thumb notches for easy access when you are ready to play

return Nether Traitor from your graveyard to the battlefield

You may return an Island you control to its owner's hand rather than pay this spell's mana cost