G. Mazraloch, the Liar

When this creature enters, it connives twice.
Whenever a player discards a card, exile it with a betrayal counter on it.
You may cast creature spells among cards exiled with betrayal counters and you can use mana of any color to cast them. Those cards gain "Whenever this creature attacks, it connives".
They thought he came here to fight the Oriq, but he came to turn them into the dangers they wanted to destroy.
-The Mystic Archive.