Blue's lack of ability to deal with threats permanently is an especially major problem when it comes to its board wipes
You do have 19 targets to get to turn into creatures, which require them to be four or more mana to animate, so making your early land drops is crucial
But with it, it's a powerhouse
Discard 1 card, then take 1 "Despia" monster from your Deck, and either add it to your hand or Special Summon it in Defense Position, also for the rest of this turn after this card resolves, you cannot Special Summon monsters from the Extra Deck, except Fusion Monsters
If this Link Summoned card is destroyed by battle, or is destroyed by an opponent's card effect while in its owner's Monster Zone: You can add 1 EARTH monster with 1500 or less DEF from your Deck to your hand