Soulcoil Viper [The Lost Caverns of Ixalan] Elemental Boar return that card to the

return that card to the battlefield under its owner's control with a +1/+1 counter on it

Set: March of the Machine Commander Type: Legendary Creature — Angel Ally Rarity: Mythic Cost: {3}{U}{R}{W} Convoke (Your creatures can help cast this spell

And until then

Set: Commander Legends Type: Instant Rarity: Rare Cost: {4}{B} Choose one

Soulcoil Viper [The Lost Caverns of Ixalan] Elemental Boar return that card to theSet: The Lost Caverns of Ixalan Type: Creature Snake Rarity: Uncommon Cost: {2}{B} {B}, {T}, Sacrifice Soulcoil Viper: Return target creature card from your graveyard to the battlefield with a finality counter on it. Activate only as a sorcery. (If a creature with a finality counter on it would die, exile it instead.) "As the snake sheds its skin to be born anew, we cast off death to rise as servants of Aclazotz." Vito, Church of Dusk heretic