Manahive

Equivalent cards to Tunnel Surveyor (a white and blue Dwarf Scout that ventures into the dungeon when a land enters tapped) are:
1. Aarakocra Sneak – Also ventures into the dungeon (blue).
2. Barrowin of Clan Undurr – Ventures into the dungeon when attacking (white/black).
3. Hama Pashar, Ruin Seeker – Improves dungeon abilities (white/blue).
4. Delver’s Torch – Equipment that ventures when equipped creature attacks (white).

Reason: They have similar venture into the dungeon effects and share W/U identity.