I think its been overlooked in the last two decades, but Im not so sure Id put it on here
The effects of Neo Space Connector and Keeper of Dragon Magic lets you Special Summon Neo-Spacians, while Hero Mask sends Elemental HERO Neos from the Deck to the GY , while letting you aim to Fusion Summon HERO monsters.
$0.35 Deathcap Marionette The Lost Caverns of Ixalan $1.29 Gravelighter Kamigawa: Neon Dynasty $0.49 Souls of the Lost The Lost Caverns of Ixalan $0.49 Terror Tide The Lost Caverns of Ixalan $0.35 Gnawing Vermin The Brothers' War $1.79 Songs of the Damned Ice Age $0.49 Iname, Death Aspect Champions of Kamigawa $1.49 Honest Rutstein Outlaws of Thunder Junction $0.35 Accursed Marauder Modern Horizons 3 $0.35 Another Chance The Lost Caverns of Ixalan $0.49 Dreadhound Innistrad: Midnight Hunt $0.99 Ravenous Chupacabra Rivals of Ixalan 0 results found
Mythical beasts, such as Master Cerberus or Jackal King, are often included because they leverage spell counters, and extra spellbook cards, including Spellbook Magician of Prophecy, will increase your draw rate, which is essential for playing a Pendulum deck
Jasmine's Gaze #233 Pokemon Surging Sparks Keep track of your collection value over time
