Is Korlash, Heir to Blackblade legal in Standard, Modern, and Commander?

Korlash, Heir to Blackblade is legal in: Modern, Legacy, Vintage, Commander.

What type of card is Korlash, Heir to Blackblade?

Korlash, Heir to Blackblade is a Legendary Creature — Zombie Warrior. Its oracle text reads: "Korlash's power and toughness are each equal to the number of Swamps you control. {1}{B}: Regenerate Korlash. Grandeur — Discard another card named Korlash, Heir to Blackblade: Search your library for up to two Swamp cards, put them onto the battlefield tapped, then shuffle. Power/Toughness: */*"

Korlash, Heir to Blackblade

Legendary Creature — Zombie Warrior

Korlash's power and toughness are each equal to the number of Swamps you control.

: Regenerate Korlash.

Grandeur — Discard another card named Korlash, Heir to Blackblade: Search your library for up to two Swamp cards, put them onto the battlefield tapped, then shuffle.

Power/Toughness: */*

Set Future Sight

Rarity Rare

Mana Value 4

Artist Daarken

Collector # 87

Scryfall