First printed in The Lost Caverns of Ixalan (2023)
Spelunking 

Enchantment
When this enchantment enters, draw a card, then you may put a land card from your hand onto the battlefield. If you put a Cave onto the battlefield this way, you gain 4 life.
Lands you control enter untapped.
In the last 30 days 5.9% of Modern decks played it (8 of 135). Most played in Amulet Titan.
Staple
-
Modern staples:
main deck, 6% of decks (#104)
Green, Enchantments, Card draw, Cantrips, Ramp, Lifegain
Last 120 days of MTGO results.
Legality
Constructed
- Standard Legal
- Pioneer Legal
- Modern Legal
- Legacy Legal
- Vintage Legal
- Pauper Not legal
- Future Standard Legal
- Historic Legal
- Timeless Legal
- Alchemy Not legal
- Penny Dreadful Not legal
- Premodern Not legal
- Old School 93/94 Not legal
Singleton
- Gladiator Legal
Commander formats
- Commander Legal
- Duel Commander Legal
- Pauper Commander Not legal
- PreDH Not legal
- Tiny Leaders Legal
- Oathbreaker Legal
- Brawl Legal
- Standard Brawl Legal
- Competitive Brawl Legal