Im no Lost Caverns Limited expert, but the cycle of Hidden lands saw some play, and it's generally useful to have 1-2 caves in your deck
C Common Burning Land X SPELL Continuous When this card is activated: If there are any Field Spell Cards on the field, destroy them
Its not as immensely broken as Displacer Kitten despite their similar text, but theres no doubt that Kykar awakens some powerful ETB value if left unchecked while you cast noncreature spells
If a Trainer is on the hunt for a specific card, this tool is still a great option
If you have pulled an Eeveelution Special Illustration Rare, it is well worth checking whether it deserves a slab
Tell me the color and mana cost of a creature, and I can tell you if I have it