
The Circle of Loyalty | Legendary Artifact | | This spell costs {1} less to cast for each Knight you control.
Creatures you control get +1/+1.
Whenever you cast a legendary spell, create a 2/2 white Knight creature token with vigilance.
{3}{W}, {T}: Create a 2/2 white Knight creature token with vigilance. | Bastien L. Deharme
4.0 LSV

The Magic Mirror | Legendary Artifact | | This spell costs {1} less to cast for each instant and sorcery card in your graveyard.
You have no maximum hand size.
At the beginning of your upkeep, put a knowledge counter on The Magic Mirror, then draw a card for each knowledge counter on The Magic Mirror. | Anastasia Ovchinnikova
2.0 LSV

The Cauldron of Eternity | Legendary Artifact | | This spell costs {2} less to cast for each creature card in your graveyard.
Whenever a creature you control dies, put it on the bottom of its owner's library.
{2}{B}, {T}, Pay 2 life: Return target creature card from your graveyard to the battlefield. Activate only as a sorcery. | Tomasz Jedruszek
0.0 LSV

Embercleave | Legendary Artifact | Equipment | Flash
This spell costs {1} less to cast for each attacking creature you control.
When Embercleave enters the battlefield, attach it to target creature you control.
Equipped creature gets +1/+1 and has double strike and trample.
Equip {3} | Joe Slucher
5.0 LSV

The Great Henge | Legendary Artifact | | This spell costs {X} less to cast, where X is the greatest power among creatures you control.
{T}: Add {G}{G}. You gain 2 life.
Whenever a nontoken creature enters the battlefield under your control, put a +1/+1 counter on it and draw a card. | Adam Paquette
5.0 LSV