Is Silhouette legal in Standard, Modern, and Commander?

Silhouette is legal in: Legacy, Vintage, Commander.

Silhouette

Q: What type of card is Silhouette?

Silhouette is an Instant. Its oracle text reads: "Choose target creature. If a spell or ability that targets that creature would cause a source to deal damage to that creature this turn, prevent that damage."

Instant

Choose target creature. If a spell or ability that targets that creature would cause a source to deal damage to that creature this turn, prevent that damage.

Set Legends

Rarity Uncommon

Artist Kaja Foglio