mtg arcades the strategist commander deck Each creature you control with defender assigns combat damage equal to its toughness rather than its power and can attack as though it didnt have defender. Arcades, the Strategist EDH Deck

Both of these cards turned heads during previews, so its not hugely surprising to see them performing well already

(I am, btw, going to take the physical ring from that game to use as my tempted by the Ring marker)

So a character card with an ink cost of 5 or more can sing Let It Go for free by exerting, without having to pay the Action cost of 5 ink

In the case of the card we have here, a variant of Emrakul, the World Anew, you can see from the stamp on the card that there are just 250 copies of this card printed

Really you have two options

Other sapphire cards like How Far Ill Go and Friend Like Me, are also excellent cards to put into a deck with Gramma Tala, Spirit of the Ocean - thanks to their abilities allowing players to put cards into their inkwell and thus gain yet more lore.