It allows you to draw two cards a turn and clock your opponent
Playing elves, giving their creatures -1/-1 counters, and using your own elves to proliferate is very solid
Spell-heavy sets create good build-around cards, and Strixhaven-style colour pairs make deckbuilding feel natural
The most common cards to name with the spyglass are: Bristling Hydra Whirler Virtuoso Chandra, Torch of Defiance or other planeswalkers The Scarab God Gate to the Afterlife Electrostatic Pummeler Earthshaker Khenra or other Embalm/Eternalize creatures Ramunap Ruins Adanto, the First Fort Azcanta, the Sunken Ruin Or anything else you see with a colon
I doubt well ever see eminence come back, but Id love to see some similar abilities around other tribes
(A creature with shadow can block or be blocked by only creatures with shadow.) Based on the latest market prices tracked on TCG Stacked