Is Deadfall legal in Standard, Modern, and Commander?

Deadfall is legal in: Legacy, Vintage, Commander.

What type of card is Deadfall?

Deadfall is an Enchantment. Its oracle text reads: "Creatures with forestwalk can be blocked as though they didn't have forestwalk."

Enchantment

Creatures with forestwalk can be blocked as though they didn't have forestwalk.

Set Legends

Rarity Uncommon

Artist NéNé Thomas

Enchantment Commander Legacy Vintage