Mountain (1366) [Secret Lair Drop Series] 84 Foil-Stamped Signature Art Card replaces

Foil-Stamped Signature Art Card replaces Art Card in 10% of Set Boosters

Dracolich from your graveyard if a creature not named Ebondeath

If they're put on a player this way

" —Maebh

Defending player guesses whether that card's mana value is greater than the number of artifacts you control

Mountain (1366) [Secret Lair Drop Series] 84 Foil-Stamped Signature Art Card replacesSet: Secret Lair Drop Series Type: Basic Land Mountain Rarity: Rare ({T}: Add {R}.) 9. One day, the day will find its furthest limit, the place beyond which no days are imagined: a place long sealed away, lost within the endless mountain range. One day, the night will find this place, and breach it.