Just have a look at the likes of Omnath, Locus of Rage, Wort, the Raid Mother, and Neyith of the Dire Hunt
On the other hand, Aminatou, Veil Piercer EDH decks can also use cards like Abuelo's Awakening to exploit sending cost-heavy enchantments to the graveyard and bring them back to the field for 4 mana
That +1 ability seems innocuous until you start combining it with fetch lands and alike, and the -1 has redefined what creatures are playable in Modern and beyond, where cheap, efficient spells are key
You even copy Voidmage Husher and Draining Whelk to counter spells and abilities at will
These groups are not tied to any particular archetype or strategy, but they provide a specific experience or fulfill a need that most players seek