Golden destruction

+4: Target player controlling a Gold card discards the highest mana cost creature in there hand or you draw a card.
-8: Deal 5 damage to target gold card, If a gold card is destroyed repeat until a gold card survives. Draw a card or opponent discards a card.
-X: X=23. Destroy all gold creatures. Draw 3 cards or target opponent discards 3 cards. Tap all golden or non golden cards. Draw 1 card.