Secret Tunnel
Land — Cave
This land can't be blocked.
: Add 
.
, : Two target creatures you control that share a creature type can't be blocked this turn.
- CMC
- 0
- Mana cost
- Color identity
- C
- Rarity
- rare
- Set
- Avatar: The Last Airbender
- Price
- $2.59
- EDHREC rank
- #1752
Secret Tunnel gives a creature unblockable until end of turn for one mana, which is as efficient a combat trick as the effect gets. Bumi, Unleashed is the flagship home, but any deck that needs a guaranteed connection on a key attacker runs this without debate.
Best Commanders
Commanders with the highest synergy
Bumi, Unleashed
Bumi, Unleashed needs creatures to connect to trigger his landfall-style damage escalation, and Secret Tunnel is the cheapest way to guarantee that connection through any board state.
Toph, Earthbending Master
Toph, Earthbending Master rewards creatures dealing combat damage to players, so Secret Tunnel converts a stalled board into a reliable trigger engine for one mana.
Toph, the First Metalbender
Toph, the First Metalbender cares about artifact creatures connecting, and Secret Tunnel punches through whatever blockers stand between her threats and the opponent's life total.
Avatar Aang
Avatar Aang scales off repeated combat damage triggers, making Secret Tunnel a low-cost insurance policy that keeps the engine running when opponents develop blockers.
Toph, Hardheaded Teacher
Toph, Hardheaded Teacher builds toward landfall and damage-based payoffs that demand combat connections, and Secret Tunnel provides that guarantee at instant speed for a single mana.
Format Analysis
Where it lives, where it can’t
| Format | Verdict |
|---|---|
| commander | legal |
| legacy | legal |
| modern | legal |
| pioneer | legal |
| standard | legal |
| vintage | legal |
| pauper | not legal |
| oathbreaker | legal |
Secret Tunnel is a Commander card — full stop. The effect is too narrow and one-shot to compete in Legacy, Modern, or Pioneer, where protection spells or pump effects offer more lasting value for the same or less mana. In Standard it's technically legal but sees essentially no play outside of Limited. Commander is where Secret Tunnel earns its slot, specifically in Universes Beyond Avatar decks built around combat damage triggers, where one mana for a guaranteed unblocked attacker at instant speed is exactly what the engine needs.
Key Combos
Combo lines featuring this card
Price Context
Current price
$2.59 cheap tier
At $2.59, Secret Tunnel sits at the high end of the cheap tier for a single-use combat trick, which reflects its narrow demand from a specific set of Avatar-themed commanders rather than broad format play. It's a stable niche pickup — not a card that climbs, not a card that crashes.
Explore
Sources
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.