Its part of why Elspeth, Sun's Champion has been reprinted in a bunch of Commander precons while Elspeth Tirel has been printed three times total
If that mana is spent on a creature spell, it gains haste until end of turn
Often decks that were based on creatures in game one can spring this card on their unsuspecting opponents in game two and ride their direct damage to victory against a player who suddenly has no way to win
This Bloomburrow Squirreled Away Commander Deck includes 1 deck of 100 Magic cards (3 Traditional Foil cards, 97 nonfoil cards), a 2-card Collector Booster Sample Pack (contains 1 Traditional Foil or nonfoil alt-border card of rarity Rare or higher and 1 Traditional Foil Uncommon card), 10 double-sided tokens, 1 deck box (can hold 100 sleeved cards), 1 Life Wheel, 1 strategy insert, and 1 reference card
She didnt immediately grasp its significance
The strategy has no locks, so splashes and new tech are always available to these fire-fighting underdogs