In TCG, though, I think that theres a lot of merit to keeping closed decklists, as they favor innovation and reward game knowledge
The Forgotten Cellar half is very expensive for what it is, but its still a great bonus on top, especially if you can ramp using the left half
Neo Flamvell Hedgehog Neo Flamvell Hedgehog Pyro TunerEffect C Common SR Super Rare R Rare Related Cards View as Gallery View as List Flamvell Archer X FIRE Level 3 [ PyroTunerEffect ] ATK 1000 DEF 200 Once per turn, you can Tribute 1 face-up Pyro-Type monster you control to have all "Flamvell" monsters on the field gain 800 ATK until the End Phase
You need to set it up, but you can also just naturally spike it off the top for an instant boardstate
SR Super Rare UR Ultra Rare SE Secret Rare UL Ultimate Rare PS Platinum Secret Rare CR COLLECTOR'S RARE QCSE Quarter Century Secret Rare Limited Limited One for One X SPELL Send 1 monster from your hand to the GY
For example, a "Gaia the Fierce Knight" with the name misprinted as "Last Turn" is treated as the former, rather than the latter