Is Kraul Harpooner legal in Standard, Modern, and Commander?

Kraul Harpooner is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Kraul Harpooner

Q: What type of card is Kraul Harpooner?

Kraul Harpooner is a Creature — Insect Warrior. Its oracle text reads: "ReachUndergrowth — When Kraul Harpooner enters, choose up to one target creature you don't control with flying. Kraul Harpooner gets +X/+0 until end of turn, where X is the number of creature cards in your graveyard, then you may have Kraul Harpooner fight that creature."

Creature — Insect Warrior

Reach<br>Undergrowth — When Kraul Harpooner enters, choose up to one target creature you don't control with flying. Kraul Harpooner gets +X/+0 until end of turn, where X is the number of creature cards in your graveyard, then you may have Kraul Harpooner fight that creature.

Set Pioneer Masters

Rarity Uncommon

Artist Kev Walker