Ancient City - Rainbow Ruins
Field Spell Card
You must have this many "Crystal Beast" cards in your Spell & Trap Card Zone to activate and to resolve these effects. ● 1+: This card cannot be destroyed by card effects. ● 2+: Once per turn (including the opponent's) you can halve the Battle Damage you take. ● 3+: During either player's turn, when a Spell/Trap Card is activated: You can send 1 "Crystal Beast" monster you control to the Graveyard; negate the activation, and if you do, destroy it. ● 4+: Once per turn, during your Main Phase: You can draw 1 card. ● 5: Once per turn, during your Main Phase: You can target 1 "Crystal Beast" card in your Spell & Trap Card Zone; Special Summon that target.
Rulings – Yugipedia
Printings:
Force of the Breaker: FOTB-EN045 (Rare) - 2007-05-16
Force of the Breaker: FOTB-EN045 (Ultimate Rare) - 2007-05-16
Duelist Pack: Jesse Anderson: DP07-EN017 (Rare) - 2008-01-26
Legendary Collection 2: The Duel Academy Years Mega Pack: LCGX-EN168 (Common) - 2011-10-04
Ra Yellow Mega Pack: RYMP-EN053 (Common) - 2012-02-17
Battle Pack Tournament Prize Cards: BATT-EN006 (Starfoil Rare) - 2012-05-29
Legendary Duelists: Season 1: LDS1-EN103 (Common) - 2020-07-02
Speed Duel GX: Duel Academy Box: SGX1-ENF10 (Common) - 2022-03-17
Structure Deck: Legend of the Crystal Beasts: SDCB-EN018 (Common) - 2022-09-29
Quarter Century Bonanza: RA03-EN181 (Platinum Secret Rare)
Quarter Century Bonanza: RA03-EN181 (Quarter Century Secret Rare)
Prices:
Cardmarket:
0.09 €TCGplayer:
$ 0.08