When Aether Theorist enters the battlefield, you get {E}{E}{E} (three energy counters).
{T}, Pay {E}: Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)
Related products

$1.00
Ichorclaw Myr
Scars of Mirrodin
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) Whenever Ichorclaw My...
View full details
$1.00
Planar Atlas
Jumpstart 2022
Planar Atlas enters the battlefield tapped. When Planar Atlas enters the battlefield, you may look at the top four cards of your library. If you do...
View full details
from $2.00
Bitter Triumph
The Lost Caverns of Ixalan
As an additional cost to cast this spell, discard a card or pay 3 life. Destroy target creature or planeswalker.

$1.00
Merry, Esquire of Rohan - Borderless - Legendary- Showcase
The Lord of the Rings: Tales of Middle-earth
Haste Merry, Esquire of Rohan has first strike as long as it's equipped. Whenever you attack with Merry and another legendary creature, draw a card.

$1.00
Gollum, Patient Plotter - Borderless - Legendary- Showcase
The Lord of the Rings: Tales of Middle-earth
When Gollum, Patient Plotter leaves the battlefield, the Ring tempts you. {B}, Sacrifice a creature: Return Gollum from your graveyard to your hand...
View full details