Cheapest priced copy (Duskmourn: House of Horror Commander): $0.79 at Card Kingdom, near mint, out of stock, their price list as of .
Retreat to Coralhelm 
Enchantment · Uncommon · Battle for Zendikar · #82
Landfall — Whenever a land you control enters, choose one —
• You may tap or untap target creature.
• Scry 1. (Look at the top card of your library. You may put that card on the bottom.)
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
4 printings · $0.79 to $8.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Battle for Zendikar | 82 | Uncommon | $1.29 | $3.49 |
| Duskmourn: House of Horror Commander | 126 | Uncommon | $0.79Out of stock | — |
| The List | BFZ-82 | Uncommon | $2.49 | — |
| Secret Lair Drop | 407 | Rare | $6.49 | $8.49 |
3 rulings from Wizards of the Coast
- 8 November 2024A landfall ability doesn't trigger if a permanent already on the battlefield becomes a land.
- 8 November 2024A landfall ability triggers whenever a land you control enters for any reason. It triggers whenever you play a land, as well as whenever a spell or ability puts a land onto the battlefield under your control.
- 8 November 2024Whenever a land you control enters, each landfall ability of the permanents you control will trigger. You can put them on the stack in any order. The last ability you put on the stack will be the first one to resolve (As a result, you can have those abilities resolve in the order of your choosing.).