Beckoning Light [DR2-EN165] Common BT5-065 Set: Judgment of the Light:

Set: Judgment of the Light: Deluxe Edition Card type: Equip Spell Rarity: Super Rare Equip only to a Dragon-Type monster

or of Link Monsters you control with "Orcust" in their original names

the original ATK of the equipped monster is halved

You can only use this effect of "Umbramirage the Elemental Lord" once per turn

inflict damage to your opponent equal to half the attacking monster's ATK

Beckoning Light [DR2-EN165] Common BT5-065 Set: Judgment of the Light:Set: Dark Revelation Volume 2 Card type: Normal Trap Rarity: Common Attack: 0 Defense: 0 Discard all the cards in your hand to the Graveyard, then select a number of LIGHT monsters from your Graveyard equal to the number of cards you discarded, and add them to your hand.