For example, if you exile Twincast and Lightning Strike, you can cast Lightning Strike and then cast Twincast targeting it
its just super-Impulse that fuels your deck
[one_fourth responsive="stack"] [/one_fourth] [one_fourth responsive="stack"] [/one_fourth] [one_fourth responsive="stack"] [/one_fourth] [one_fourth_last responsive="stack"] [/one_fourth_last] Sure, maybe Boros doesn't have some of its strengths in the same areas as other colour pairs, but when we're extracting basic lands from our deck all over the place, cantripping non-stop, and cycling away some excess lands into other useful cards, we'll end up getting to our core cards that will win us the game that much quicker
The answer, of course, is "it depends." Healer and Firstblade are both early-game cards, so you wouldnt want to play either of them off of a light splash of just a few lands
Price targets should be net of frictions from the outset, with a minimum hurdle (1215% is a sensible novice floor) that you actually enforce