Amped Raptor

Cascade with a currency attached, and the currency is what makes the effect fair. When you cast this from hand it digs to the first nonland card the way older impulse-into-cascade designs did, but instead of casting that card free, it hands you exactly two energy and prices the hit against your stockpile: a spell you can afford only if its mana value is two or less, unless you have banked energy from elsewhere. That single constraint reshapes the whole payoff. A traditional cascade off a two-drop is capped by mana value and lands you a one-drop; here the cap is your energy total, so the card rewards a deck that treats energy as a resource to accumulate rather than a one-time trigger. The first-strike 2/1 body is almost incidental, a way to make the two mana feel spent even when the dig whiffs into a small hit. What the design is really doing is welding a value engine's exploration to a mana-economy subgame, so the same card reads as a fair aggressive creature in one shell and a combo enabler in another that has learned to generate energy on the side. The exile-and-may-cast clause is the honest part: whiff into a spell too expensive for your energy and it stays exiled, unpaid, a reminder that the free lunch was always conditional.