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Both of those abilities are great, but you also get to put another counter on a permanent every time you cast a noncreature spell

UR Ultra Rare Illusion of Chaos X DARK Level 7 [ SpellcasterRitualEffect ] ATK 2100 DEF 2500 You can Ritual Summon this card with "Chaos Form"

Darksteel Forge Darksteel Juggernaut Elspeth, Knight-Errant Guardian Beast Havi, the All-Father Inspirit, Flagship Vessel Mondrak, Glory Dominus Puresteel Angel (playtest) Sanctum Spirit Shuri's Fabricator Tegan Jovanka Tekuthal, Inquiry Dominus The Book of Vile Darkness Urza, Planeswalker

Flavorfully, sidequest cards represent stuff you usually do in RPGs that arent part of the main quest or mission, but you'll get powerful rewards for completing them

So youd need Jenova to give a creature one of her counters for this to trigger, or put a bunch of mutants in your deck