Is Basal Sliver legal in Standard, Modern, and Commander?

Basal Sliver is legal in: Modern, Legacy, Vintage, Commander, Pauper.

Basal Sliver

Q: What type of card is Basal Sliver?

Basal Sliver is a Creature — Sliver. Its oracle text reads: "All Slivers have "Sacrifice this permanent: Add {B}{B}." *"Fascinating . . . These creatures display the paradox of tenacity and purposed self-destruction I have sought to breed into my thrulls." —Endrek Sahr, master breeder* Power/Toughness: 2/2"