"Cold" cards (Plz rate!!!)

[Lemniscate]

I need some help with wording for my card's effects.
Also, what do you think of them so far?





Frostbite Cave Dragon
Effect Monster
Level 7
Dragon-type
WATER attribute
Effect: As long as this card remains on the Field, you may pay Life Points in multiples of 100 to destroy monsters whose level equals the number of multiples of 100 Life Points paid. If this card is in the Graveyard during your Standby Phase, you may remove this card from play to search your Deck for 2 cards and add them to your hand.

Souless Witch of the Tundra
Effect Monster
Level 3
Spellcaster Type
WATER attribute
Effect: You may send this card from your Hand to the Graveyard to draw 1 card from your deck. During the End Phase of the turn this card is activated, you may pay 500 Life Points to add your Hand to your Deck, shuffle your Deck, and draw cards equal to the number of cards returned to the Deck.

Deep Chill
Continuous Spell
During the End Phase of your turn, you may look at the top card of your opponent's deck and return it to the top of their deck, or place it on the bottom of the deck. Pay 500 Life Points during each Standby Phase, if you do not, this card is destroyed.

Arctic Hound
Effect Monster
Level 4
Beast-Warrior type
WATER attribute
Effect: This card gains 100 ATK points for each card in your Hand. You may discard 1 card from your Hand during the Main Phase 1, to allow this card to attack twice this turn.