There aren't that many items in the deck to pull off the Inventor/item strategy effectively, so players are overly reliant on specific character cards to make it work
The most notorious offender here is Drannith Magistrate , a one-generic, one-white creature that only lets you cast spells from your hand meaning any cards with the madness ability will be discarded into exile as normal, before promptly going into your graveyard
Turn Actions Draw a Card At the start of your turn, you will draw a card from your deck into your hand
It has a similar problem to Multiprigai, but the effect itself is quite strong, so if you try to use it, you can use it
In a tournament environment where Spell and Trap Removal is seeing relatively little play, its easier than ever before to keep Black Garden on the table
INFO-EN083 Kuebiko Continuous Trap Card Special Summon this card as an Effect Monster (Fairy/Earth/Level 2/ ATK 0/DEF 0) with the following effect (this is also still a Trap)