For cards with high popularity and many similar-looking listings, like the Stamp Box series or old Mew series, it is safer to carefully check if the label notation and actual image match
Gravity Collapse X TRAP Counter When your opponent would Summon a monster(s): Send 1 face-up Synchro Monster you control to the GY
Its a fine selection engine by itself, but with Relic out, it becomes a combo-esque ramp machine
Additionally, the opponent may be forced to spend Energy on a card they hadnt planned to, either to cover its retreat cost or to use its attack
Maybe an Acererak the ArchlichAcererak the Archlich or a Sefris of the Hidden WaysSefris of the Hidden Ways is playing these cards, but most people don't have a copy of the Dungeon of the Mad MageDungeon of the Mad Mage, Tomb of AnnihilationTomb of Annihilation, or Lost Mine of PhandelverLost Mine of Phandelver
Temporal Forces maintained reasonable availability post-release compared to special sets