At a glance, Investigate, Suspect, and Collect Evidence can come off like they're all doing the same sort of thing
There is an Unglued card (Denied!) and an Unhinged card (Flacify) that have the same flavor text
Card Name Mana Cost Type Legendary Enchantment Creature God Rarity Mythic Rare rules Text IndestructibleAs long as your devotion to green and white is less than seven, Karametra isn't a creature.Whenever you cast a creature spell, you may search your library for a Forest or Plains card, put it onto the battlefield tapped, then shuffle
Rarity plays a part, sure, but its not the be-all and end-all
I believe this is true regardless of how difficult they are to trigger, but emerging from Mortal Combat victorious seems like a breeze in a format like Commander where you can mill yourself to your heart's content with commanders like Grist, the Hunger Tide, Iname, Death Aspect (the mill comes from dumping your creatures into your 'yard on ETB), and Zask, Skittering Swarmlord