Sets like Crown Zenith, despite releasing in early 2023, are already more expensive than at retail price
That said, being able to absorb an enemy monster to use as an equip card helps quite a bit, especially if the monster in question happens to be something particularly nasty (Yubel and all her forms come to mind here)
Imposing Grandeur is more impressive, letting you discard your hand and draw six cards with Olivia, Crimson Bride in the command zone
[3] During the Stanby Phase of the next turn after this card was banished: You can Special Summon this banished card
The final free-to-play gem-grinding method can be done by simply participating in the regular event modes Konami brings to Master Duel
The cards supporting either the tokens themselves or lifegain in general are really good, the strategy seems well built and fun to play, and the deck is absurdly flavorful