So, if you think about it, the card is actually very thematic - and not just because of the artwork
A lot of what's shifted in Legacy over the last year is a direct result of games decompressing and the banned list working as a tool to empower what Legacy players love about the format
Central Elevator's ability lets you search your library for any Room card that shares a name with a Room you control on the battlefield, checking only the names of unlocked doors
Then, sacrifice another held spell/trap to the GY to add Eldlich back to your hand and special summon one zombie card - Eldlich the Golden Lord
A few cards I found useful:Sequestered Stash is nice for getting artifacts in the yard and then back to the hand, and it only takes up a land spot
Gandalf's ability creates a delayed Rebound-effect on instant and sorcery spells cast from your hand during your opponents' turns, giving them Suspend and adding three time counters