And Thassas Oracle is more of a card than any of the similar options
You can tap any three untapped artifacts and/or creatures you control, including Warden of the Inner Sky itself and other creatures you haven't controlled continuously since the beginning of your most recent turn, to pay the cost of Warden of the Inner Sky's activated ability
anyways, yes, limited needs this
I also love the idea of moving a -1/-1 counter from the persist of Kitchen Finks/Twilight Shepherd into a Gnome creature or to invest in a Giant Fan to become a good counter on something else
Vito, Thorn of the Dusk Rose Vito, Thorn of the Dusk Rose ties Sanguine Bond to a 3-drop creature
You can either pair two creatures with the generic partner keyword (the most infamous, top tier of commanders is the pair: Thrasios, Triton Hero and Tymna the Weaver) or you can use creatures that have specific partners with abilities, like Haldan, Avid Arcanist and Pako, Arcane Retriever or Amy Pond and The Eleventh Doctor or Rory Williams