Help me see if this deck is good.

Grade 0:

Dragon Egg (Starter) 1x

Black Cannon Tiger (Critical) 4x

Herbivore Dragon, Brutesaurus (Draw) 4x

Pack Dragon, Tinyrex (Stand) 4x

Savage Shaman (Heal) 4x

Ironclad Dragon, Shieldon 4x

Grade 1:

Sonic Noa 4x

Winged Dragon, Skyptero 4x

Archbird 4x

Grade 2:

Ravenous Dragon, Megarex 4x

Cannon Fire Dragon, Cannon Gear 3x Assault Dragon, Blightops 3x

Grade 3:

Tyrant Deathrex 4x

Ravenous Dragon, Gigarex 3x