sorcery contested realm alpha booster box : r/TCG Sorcery The Contested Realm TCG

He Tributes his two "Blue-Eyes" and one "Alternative Dragon" to Tribute Summon "Obelisk" (4000/4000) in Attack Position

This can be very useful when the opponent utilizes Spell Cards to enhance their Monster's attack, by redistributing the advantage which undermines the opposing strategy

Advanced Protection Against High-Tech Crime

What contributes to the mystique of this card is its lack of a card back, a distinguished feature of this early prototype

Dark-Dweller Oracle is a bit tricky to evaluate, but I think its excellent in Goblins in general, as its easy to end up with Goblin tokens that are far less valuable than new cards