magic the gathering lotr booster box store or for in MTG: Lord of the Rings:

During either player's turn, when a card or effect is activated that targets this face-up card: You can detach 1 Xyz Material from this card

The Secret Lair is called Ghostbusters: Slimer and includes five different cards, unsurprisingly focused on the weird but lovable green ball of slime himself

Rhystic Study asks Are you gonna pay the 1? over and over

Plummet effects are often somewhat mediocre, but when you get the option to cycle it to put counters on something instead

Ace (OP13-002) Reliable Aggro Red/Blue Ace provides a straightforward, consistent aggro plan that has maintained Tier 1 status

Ultimately, while Kaito, Cunning Infiltrator is definitely a powerful card, they do have a rather limited use case