cards with shadow mtg Urchin - Lorwyn Eclipsed - Chaos Control — Each spell you cast has split second if mana from an artifact was spent to cast it Shadow, Mysterious Assassin - Commander:

It's not exactly an extra turn spell, but it certainly feels like a Time Warp and an Opportunity stapled to a card that any deck can play

Shielded by Faith is another protective enchantment with an ability to transfer between creatures when they enter

END STEP Tarkir: Dragonstorm is one my favorite sets for quite some time

Enduring Angel / Angelic Enforcer Enduring Angel and its transformed version, Angelic Enforcer, provide you hexproof when your back is against the wall with a low life total

Theres definitely enough support to play Rev on her own, but Im expecting to see her a lot more as an enabler in decks led by commanders such as Anowon, the Ruin Thief or Prosper Tome-Bound

Obliterating Bolt 8 Flame-Blessed Bolt 6 Scorching Dragonfire 6 He we have the classic instant speed one mana for two damage or two mana for three damage or the sorcery speed two for four