Once both Yubel - Terror Incarnate and Yubel are in the graveyard, you can then Fusion Summon Phantom of Yubel to the field
Do the writers avoid jargon
SR Super Rare Qardan the Clear-Sighted X EARTH Level 4 [ FairyEffect ] ATK 1400 DEF 1000 When this card is Normal Summoned: You can Set 1 Continuous Trap from your hand or GY
But, if we discount that as merely a mini add-on to the 291-card March of the Machine, the smallest legitimate set is Arabian Nights , the very first 'expansion' set, released in December 1993 with just 92 cards
Picking of a small creature will probably feel the best, but tapping things is certainly nice on the right board state, especially if you have a payoff for tapping something
You can prepare the cards as needed for the situation