Ancient City - Rainbow Ruins

This card gets these effects, based on the number of "Crystal Beast" monsters in your Spell & Trap Card Zone.

•1+: This card cannot be destroyed by a card effect.

•2+: Once per turn, you can halve the Battle Damage you take.

•3+: You can send a "Crystal Beast" monster you control to the Graveyard to negate the activation of a Spell or Trap Card 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 Special Summon 1 "Crystal Beast" card from your Spell & Trap Card Zone.