cards not in mtg arena

cards not in mtg arena Why is this card on Arena? I am getting a message

Name: cards not in mtg arena Why is this card on Arena? I am getting a message
Brand: neuraldrones.de
SKU: 93138121487
Price: 29.15 USD
Availability: InStock
Rating: 4.8586 (15 reviews)

SKU: 93138121487

4.9

USD29.15 USD79.15

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Description

Urza created the titan engines, mech suits built for each of the Planeswalkers to let them easily destroy Phyrexian forces and detect Glistening Oil, the substance that turns people into Phyrexians

3 Hullbreaker Horror Hullbreaker Horror is one of the main win conditions for control decks

Surveil is a different effect entirely, and closer to self-mill than discard

Mixing a variety of counters, proliferation, graveyard play, and everything all together is for a really strong deck, with a bunch of new cards, and valuable reprints