For this deck, I see Antler Skulkin, Jawbone Skulkin, and Shell Skulkin as most useful
We liked the life-gain rider as this set uses gaining life mechanically to represent being happy, but Set Design wanted to distance the card converted mana costwise from Return to Nature ( Throne of Eldraine 's Naturalize variant), so the life gain was changed to card draw (white, like all colors, gets cantrips)
Both are long-standing, great commanders among the best in the format
2014-07-18 In a multiplayer game, if the Slivers owner leaves the game, the exiled card will return to the battlefield
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You can mana sink five into hin at instant speed and make your Thopters grow into size equal to your hand