Mox Amber [Dominaria] Modern Masters or (if Monster) cannot activate

or (if Monster) cannot activate its effects

When "Herald of Perfection" is Ritual Summoned by this card's effect: You can banish this card from your Graveyard to target 1 of the monsters in your Graveyard that was Tributed for that Ritual Summon

then target 1 DARK Dragon Synchro Monster in your GY

You must also offer monsters from the field or your hand whose total Level Stars equal the Level Stars of the Ritual Monster you are attempting to Ritual Summon

you can treat this card as 1 of the Materials

Mox Amber [Dominaria] Modern Masters or (if Monster) cannot activateSet: Dominaria Type: Legendary Artifact Rarity: Mythic Cost: {0} {T}: Add one mana of any color among legendary creatures and planeswalkers you control. A moment in time made tangible, it has the power to realize epic visions.