Is Tek legal in Standard, Modern, and Commander?

Tek is legal in: Legacy, Vintage, Commander.

Tek

Q: What type of card is Tek?

Tek is an Artifact Creature — Dragon. Its oracle text reads: "This creature gets +0/+2 as long as you control a Plains, has flying as long as you control an Island, gets +2/+0 as long as you control a Swamp, has first strike as long as you control a Mountain, and has trample as long as you control a Forest."

Artifact Creature — Dragon

This creature gets +0/+2 as long as you control a Plains, has flying as long as you control an Island, gets +2/+0 as long as you control a Swamp, has first strike as long as you control a Mountain, and has trample as long as you control a Forest.

Set Invasion

Rarity Rare

Mana Value 5

Artist Chippy

Collector # 313

Scryfall Gatherer