Delibird is awesome

[Toffee.]

Delivery Bird -WATER-
Lvl4
[Winged-Beast/Effect]
Once per turn you can activate the following effect:
•Select 1 card from your deck and add it to your hand. The Opponent does the same.
This effect cannot be activated if your hand has any non-Winged-Beast-Type WATER monsters in it.
1300ATK / 1300DEF

Postal Bird -WATER-
Lvl4
[Winged-Beast/Effect]
FLIP: Each player selects 1 Spell and 1 Trap card from there respective decks, and adds them to there hands. This effect is not applied if you have any non-Winged-Beast-Type WATER monsters in your hand.
1000ATK / 1700DEF

Ebay Bird -WATER-
Lvl3
[Winged-Beast/Effect]
When this card is Normal Summoned, your Opponent gains 3000 Lifepoints, and you can select up to 2 cards from your deck and add them to your hand(You cannot select 2 of the same card type with this effect). This effect is not applied if you have any non-Winged-Beast-Type WATER monsters in your hand, and the controller of this card cannot activate other card effect(s) in response to the activation and effect of this card's effect.
1400ATK / 100DEF

Paper Bird -WATER-
Lvl2
[Winged-Beast/Effect]
When this card is Summoned, each player selects 1 card from there respective decks and adds them to there hands. This effect is not applied if you have any non-Winged-Beast-Type WATER monsters in your hand.
1000ATK / 1000DEF

Item Finder-Bird -WATER-
Lvl6
[Winged-Beast/Effect]
If you have at least 3 WATER Winged-Beast-Type monsters in your Graveyard, you can Normal Summon this card without a Tribute. Once per turn you can discard 2 cards to add any 1 card from your Graveyard to your hand. This effect is not applied if you have any non-Winged-Beast-Type WATER monsters in your hand.
1900ATK / 2100DEF

Computer Delivery-Search -Spell-
Discard 2 cards. Add any 1 card from your deck to your hand. This effect is not applied if you have any non-Winged-Beast-Type WATER monsters in your hand.

Present Crash -Continuous Spell-
This card can only be activated from the hand if the only monsters in your hand are WATER Winged-Beast-Type.
Once per turn, toss a coin:
•Heads: He/she can search there deck for any 1 card and add it to his/her hand.
•Tails: The turn player takes 3000 points of damage.
Both you and your opponent can use this effect as long as this card remains face-up on the field.
The controller of this card cannot activate other card effect(s) in response to the activation and effect of this card's effect.

Shopping Delivery -Spell-
Return any number of cards in your hand to your deck, then select a number of cards from your deck equal to the number of cards you returned, and add them to your hand. The Opponent does the same. If the controller of this card adds any monsters that are non-WATER Winged-Beast-Type to his/her hand with this effect, the controller of this card takes 3000 damage for each of those cards. The controller of this card cannot activate other card effect(s) in response to the activation and effect of this card's effect.