Scrabbling Skullcrab
Creature — Crab Skeleton
Eerie — Whenever an enchantment you control enters and whenever you fully unlock a Room, target player mills two cards.
With sandy beaches in short supply, Duskmourn's crabs have adapted to burrow into everything from carpet to flesh.
John Tedrick
Rulings
If a permanent with an eerie ability enters at the same time as one or more enchantments, its ability will trigger for each of those enchantments.
(wotc • 2024-09-20)
An ability that triggers "whenever you fully unlock a Room" triggers when a door becomes unlocked and the other door of that Room is already unlocked, or when both doors of that Room become unlocked simultaneously.
(wotc • 2024-09-20)
Rulings
If a permanent with an eerie ability enters at the same time as one or more enchantments, its ability will trigger for each of those enchantments.
(wotc • 2024-09-20)
An ability that triggers "whenever you fully unlock a Room" triggers when a door becomes unlocked and the other door of that Room is already unlocked, or when both doors of that Room become unlocked simultaneously.
(wotc • 2024-09-20)