Great Spell, City of Devastation "Renaff" (S-BT02A-UB04/0046EN) (S-BT02A)

[Set] (This card remains on the field)
When this card is [Set], put up to one spell with "Apocalypse" in its card name from your deck into your hand, and shuffle your deck.
[Act] You may drop all souls from a "Mission Card of Judgment, "Great Spell, Apocalypse"" on your field. If you do, you gain 3 life! You may only use this ability once per turn.