You must have this many "Crystal Beast" cards in your Spell & Trap Card Zone to activate and 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.
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![Ancient City - Rainbow Ruins [BATT-EN006] Starfoil Rare](http://tokenmtg.com/cdn/shop/products/2e6cee93-96c9-5220-9cef-af6e2fc9b57e.jpg?crop=center&height=430&v=1696993239&width=430)