When Brass's Tunnel-Grinder enters the battlefield, discard any number of cards, then draw that many cards plus one.
At the beginning of your end step, if you descended this turn, put a bore counter on Brass's Tunnel-Grinder. Then if there are three or more bore counters on it, remove those counters and transform it.
| Reverse Type: |
Legendary Land — Cave |
(Transforms from Brass's Tunnel-Grinder.)
T: Add R.
Whenever you cast a permanent spell using mana produced by Tecutlan, the Searing Rift, discover X, where X is that spell's mana value.
![Brass's Tunnel-Grinder // Tecutlan, The Searing Rift (Extended Art) [The Lost Caverns of Ixalan] Foil](http://goblingames.nz/cdn/shop/files/b5c2da21-f917-5dba-bd22-2f769a3f8615_3fbd4230-b702-432d-af68-9624c8e19922.png?v=1747836722&width=1445)
![Brass's Tunnel-Grinder // Tecutlan, The Searing Rift (Extended Art) [The Lost Caverns of Ixalan] Foil](http://goblingames.nz/cdn/shop/files/db940d06-5e3d-4831-a200-de614c093aca.png?v=1747836722&width=1445)
![Brass's Tunnel-Grinder // Tecutlan, The Searing Rift (Extended Art) [The Lost Caverns of Ixalan] Foil](http://goblingames.nz/cdn/shop/files/645776fd-3ce4-569c-b2cd-5b40373e27c8_e46e0223-a158-4198-a88b-7d9ee8a1da81.png?v=1747836722&width=1445)
![Brass's Tunnel-Grinder // Tecutlan, The Searing Rift (Extended Art) [The Lost Caverns of Ixalan] Foil](http://goblingames.nz/cdn/shop/files/db940d06-5e3d-4831-a200-de614c093aca_2ca6a765-ebbc-4e14-adfc-b9a02e3f34b7.png?v=1747836722&width=1445)
![Brass's Tunnel-Grinder // Tecutlan, The Searing Rift (Extended Art) [The Lost Caverns of Ixalan] Foil](http://goblingames.nz/cdn/shop/files/b5c2da21-f917-5dba-bd22-2f769a3f8615_55f2095f-d1be-4ac5-a944-e735077d47d0.png?v=1747836722&width=1445)
![Brass's Tunnel-Grinder // Tecutlan, The Searing Rift (Extended Art) [The Lost Caverns of Ixalan] Foil](http://goblingames.nz/cdn/shop/files/db940d06-5e3d-4831-a200-de614c093aca_bddca310-7452-4d89-bfc7-15376fb2266b.png?v=1747892469&width=1445)
![Brass's Tunnel-Grinder // Tecutlan, The Searing Rift (Extended Art) [The Lost Caverns of Ixalan] Foil](http://goblingames.nz/cdn/shop/files/645776fd-3ce4-569c-b2cd-5b40373e27c8_62b37fa8-d0e0-436b-9b38-69ab55bf746f.png?v=1747836722&width=1445)
![Brass's Tunnel-Grinder // Tecutlan, The Searing Rift (Extended Art) [The Lost Caverns of Ixalan] Foil](http://goblingames.nz/cdn/shop/files/db940d06-5e3d-4831-a200-de614c093aca_75c428dd-4f4d-481f-b022-e1a13353a42f.png?v=1747892440&width=1445)
![Brass's Tunnel-Grinder // Tecutlan, The Searing Rift (Extended Art) [The Lost Caverns of Ixalan] Foil](http://goblingames.nz/cdn/shop/files/db940d06-5e3d-4831-a200-de614c093aca_bf69bbde-6a12-4db9-8df8-8d99bf8706ed.png?v=1775337584&width=1445)
![Brass's Tunnel-Grinder // Tecutlan, The Searing Rift (Extended Art) [The Lost Caverns of Ixalan] Foil](http://goblingames.nz/cdn/shop/files/db940d06-5e3d-4831-a200-de614c093aca_375a92c5-d132-4be7-8bdb-beeedde04880.png?v=1788244870&width=1445)