One thing she loves in particular is how the game lets them spotlight some more niche characters
Buying this back and keeping the card feels like cheating, as you have invested nothing into your bouncing fun times save for mana - no creatures, artifacts, etc
Soul Diviner already exists, so this card adds more redundancy to the strategy, at least slotting into the same decks
Other white effects ask you to pay or two mana each time, but this one more than pays for itself in two triggers
You also don't want to waste spells on your opponents' turns when possible, because churning out these Elemental tokens is quite key to victory
Serra Ascendant Serra Ascendant is a staple in decks that benefit from lifegain, since the difference between a 1/1 and a 6/6 flying creature is huge