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.
Near Mint - $1.25
Lightly Played - $1.25
Moderately Played - $1.00
Heavily Played - $0.75
Damaged - $0.75
Near Mint Non-English - $1.25
Lightly Played Non-English - $1.25
Moderately Played Non-English - $1.00
Heavily Played Non-English - $0.75
Damaged Non-English - $0.75
Foil Prices
Near Mint Foil - $1.75
Lightly Played Foil - $1.75
Moderately Played Foil - $1.50
Heavily Played Foil - $1.00
Damaged Foil - $1.00
Near Mint Foil Non-English - $1.75
Lightly Played Foil Non-English - $1.75
Moderately Played Foil Non-English - $1.50
Heavily Played Foil Non-English - $1.00
Damaged Foil Non-English - $1.00