Ancient City - Rainbow Ruins

Text

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.

Printings (11 printings)

• FOTB-EN045May 16, 2007
  Force of the Breaker · Rare
• FOTB-EN045May 16, 2007
  Force of the Breaker · Ultimate Rare
• DP07-EN017Jan 26, 2008
  Duelist Pack: Jesse Anderson · Rare
• LCGX-EN168Oct 4, 2011
  Legendary Collection 2: The Duel Academy Years Mega Pack · Common
• RYMP-EN053Feb 17, 2012
  Ra Yellow Mega Pack · Common
• BATT-EN006May 29, 2012
  Battle Pack Tournament Prize Cards · Starfoil Rare
• LDS1-EN103Jul 2, 2020
  Legendary Duelists: Season 1 · Common
• SGX1-ENF10Mar 17, 2022
  Speed Duel GX: Duel Academy Box · Common
• SDCB-EN018Sep 29, 2022
  Structure Deck: Legend of the Crystal Beasts · Common
• RA03-EN181Nov 7, 2024
  Quarter Century Bonanza · Platinum Secret Rare
• RA03-EN181Nov 7, 2024
  Quarter Century Bonanza · Quarter Century Secret Rare

Types and rarities are shown as listed by the card database (in English).