how to tell if a yugioh card is secret rare List of cards Understanding Yu-Gi-Oh! Rarities

Illustrator: Tomomi Ozaki Boltund #31 Boltund (3-Diamonds, Rare rarity) is the #31/71 card from the Secluded Springs set in Pokmon TCG Pocket

Arcanist's Owl Aven Mimeomancer Aven Wind Guide Cat-Owl Empyrean Eagle Esper Cormorants Gwaihir the Windlord Ishai, Ojutai Dragonspeaker Ishai, Ojutai Dragonspeaker Judge's Familiar Kangee, Aerie Keeper Kangee, Sky Warden Kastral, the Windcrested Kykar, Zephyr Awakener Plumecreed Mentor Sawtooth Loon Seedpod Squire Shabraz, the Skyshark Skymark Roc Swans of Bryn Argoll Talon Trooper Vega, the Watcher Watcher of the Spheres Yorion, Sky Nomad

You can even have Marton be an honorary Goblin lord, since there are a ton of Goblin cards that make multiple Goblin tokens, like Siege-Gang Commander and Beetleback Chief

What makes this card so pretty is the addition of the Signature Spellbook frame

Depending on the board, 2 direct damage to each opponent might be better than casting a random Arcane Signet or something