Sinkhole (IE) [Intl. Collectors’ Edition] Frontier then puts all cards revealed

then puts all cards revealed this way that weren't put onto the battlefield on the bottom of their library in any order

Phenax isn't a creature

Set: Limited Edition Alpha Type: Creature — Treefolk Common Cost: {4}{G} The mating habits of Treefolk

Set: Unlimited Edition Type: Artifact Rare Cost: {0} {T}

Set: Eldritch Moon Promos Type: Legendary Creature — Eldrazi Mythic Cost: {13} This spell costs {1} less to cast for each card type among cards in your graveyard

Sinkhole (IE) [Intl. Collectors’ Edition] Frontier then puts all cards revealedSet: Intl. Collectors Edition Type: Sorcery Common Cost: {B}{B} Destroy target land.