Is Moss-Pit Skeleton legal in Standard, Modern, and Commander?

Moss-Pit Skeleton is legal in: Modern, Pioneer, Legacy, Vintage, Commander.

Moss-Pit Skeleton

Q: What type of card is Moss-Pit Skeleton?

Moss-Pit Skeleton is a Creature — Plant Skeleton. Its oracle text reads: "Kicker {3} (You may pay an additional {3} as you cast this spell.) If this creature was kicked, it enters with three +1/+1 counters on it. Whenever one or more +1/+1 counters are put on a creature you control, if this card is in your graveyard, you may put this card on top of your library."

Creature — Plant Skeleton

$0.08 ↗20 similarCommander, Modern

Kicker (You may pay an additional as you cast this spell.)

If this creature was kicked, it enters with three +1/+1 counters on it.

Whenever one or more +1/+1 counters are put on a creature you control, if this card is in your graveyard, you may put this card on top of your library.

Set Zendikar Rising

Rarity Uncommon

Mana Value 2

Artist Bryan Sola

Collector # 228