mtg double feature cards Stormcarved Coast [Innistrad: Feature] Draft Boosters are designed specifically for Limited play Slogurk, the Overslime | Innistrad:

It seems pretty good relative to must of this list but it could well flop

I don't know that this combination has a high top-end in terms of power or has good combo potential, but I think these two would work really well together

Birthing Pod While Birthing Pod has a reputation for warping formats, really maximizing it comes with a huge deckbuilding cost as you must sculpt a careful curve around its repeated activations

Like all the cards from this list, the failsafe for Sea Gate Restoration is a land, and there are all sorts of Commander decks willing to cast this because they have draw synergies or because they have ways to cheat on the spell cost