Intrepid Paleontologist [The Lost Caverns of Ixalan] Artifact Enchantment Set: Modern Horizons 2 Type:

Set: Modern Horizons 2 Type: Instant Rarity: Uncommon Cost: {1}{B} Split second (As long as this spell is on the stack

Set: 30th Anniversary Edition Type: Artifact Rarity: Rare Cost: {4} {2}

Set: Secret Lair Drop Series Type: Instant Rarity: Rare Cost: {B} Destroy target creature if it has mana value 2 or less

For the aspirants of the Progress Engine

Intrepid Paleontologist [The Lost Caverns of Ixalan] Artifact Enchantment Set: Modern Horizons 2 Type:Set: The Lost Caverns of Ixalan Type: Creature Human Druid Rarity: Rare Cost: {1}{G} {T}: Add one mana of any color. {2}: Exile target card from a graveyard. You may cast Dinosaur creature spells from among cards you own exiled with Intrepid Paleontologist. If you cast a spell this way, that creature enters the battlefield with a finality counter on it. (If a creature with a finality counter on it would die, exile it instead.)