Ancient City - Rainbow Ruins [LCGX-EN168] Common

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 you can halve the Battle Damage you take. •3+: When a Spell/Trap Card is activated: You can send 1 "Crystal Beast" monster you control to the Graveyard; negate the activation and 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.