Key pieces for a good Grima deck would be Strionic Resonator to double your thievery shenanigans, a good haste enabler through Swiftfoot Boots/Lightning Greaves as well as a way to punish your opponents such as Leyline of the Void or Dauthi Voidwalker
You can nab blue enchantments or do some damage, but only at the cost of a card in addition to Jayas slot in the deck
The fact that creatures cast with Warp stick on the board until end of turn may trick you into forgetting they will be exiled, especially in Arena or in clustered board states
One such way is sending three Arclight Phoenix to the graveyard and casting three instant and sorceries (including Buried Alive) to bring them to the battlefield instantly
When Magic first came out, I felt like it was a new form of game and there should be many types of trading card game - like there were many board games
Yellow Enel 1xOP05-098 4xEB01-056 4xOP03-116 4xOP03-123 4xOP04-100 4xOP04-112 2xOP05-100 4xOP05-102 4xOP06-101 4xOP07-107 4xOP07-109 4xOP07-119 4xEB01-059 4xOP06-115 Yellow Enel is one of the top choices in tournaments and it should remain a great choice with the ban of Red Purple Law