If you were just finding a land the Impulse is likely just as good
Choose a commander you enjoy, define a clear strategy, add 7-10 win conditions, add the core components (draw, ramp, removal), build a 36-38 land mana base with color fixing, then playtest and tune the ratio
Chandra's IgnitionChandra's Ignition (103,081 Inclusions, 4% of 2,337,008 Decks) Unlike FlingFling effects, Chandra's IgnitionChandra's Ignition keeps the creature in question alive, making it a go-to for red decks with large commanders
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Theres also the issue of reprinting the card
I've opened the door to life loss commanders, but stuck mostly to legends that have the express goal of attacking the opponent's life directly