It provides a much-needed support to one of the main card types in Yu-Gi-Oh that has been seeing less play as the game has sped up over the years
I looked at running both Merfolk Trickster and Harbinger of Tides as both are decently high power and high tempo dorks
In both cases its hard to evaluate the quality of a card, so this list will focus on utility for tournament level play from the sideboard
Vandalblast, Jayas Immolating Inferno, Path to Exile, Swords to Plowshares, Assassins Trophy, Artifact Mutation, Beast Within, Krosan Grip, Fire Covenant, and Generous Gift
Promo Info Participation Prize for Oct.2020 Tamer Workshop CLOSECLOSE BT1-079 R Digimon Lv.5 Parallel Rare Lillymon Color Green Form Ultimate Attribute Data Type Fairy DP 6000 Cost 7 Digivolve Cost 1 2 from Lv.4 Digivolve Cost 2 - Upper Text - Lower Text [When Attacking] Suspend 1 of your opponent's Digimon without Blocker
This scarcity is one of the primary reasons why the Pokmon cards most expensive today are overwhelmingly vintage examples