Elvish Piper [Seventh Edition] Oath of the Gatewatch Promos you can add 1 Ritual

you can add 1 Ritual Spell Card from your Deck to your hand

all monsters you currently control become that monster's Level until the end of this turn (even if this card leaves the field)

that monster gains 700 ATK

Set: Magician's Force Card type: Normal Trap Rarity: Common Attack: 0 Defense: 0 You can only activate this card during your opponent''s Standby Phase

and you do not

Elvish Piper [Seventh Edition] Oath of the Gatewatch Promos you can add 1 RitualSet: Seventh Edition Type: Creature Elf Shaman Rarity: Rare Cost: {3}{G} {G}, {T}: You may put a creature card from your hand onto the battlefield. From Gaea grew the world, and the world was silent. From Gaea grew the world's elves, and the world was silent no more. Elvish teaching