Fusion or Advent
Odd-Eyes Fusion
Fusion Summon 1 Dragon Fusion Monster from your Extra Deck, using monsters from your hand or field as Fusion Materials. If your opponent controls 2 or more monsters and you control no monsters, you can also use up to 2 "Odd-Eyes" monsters in your Extra Deck as Fusion Materials. You can only activate 1 "Odd-Eyes Fusion" per turn.
Polymerization
Fusion Summon 1 Fusion Monster from your Extra Deck, using monsters from your hand or field as Fusion Material.
Odd-Eyes Advent
This card can be used to Ritual Summon any Dragon Ritual Monster from your hand or GY. You must also Tribute Pendulum Monsters from your hand or field whose total Levels equal or exceed the Level of the Ritual Monster you Ritual Summon. If your opponent controls 2 or more monsters and you control no monsters, you can also send "Odd-Eyes" monsters from your Extra Deck to the GY. You can only activate 1 "Odd-Eyes Advent" per turn.
Odd-Eyes Pendulum Dragon
ATK:
2500
DEF:
2000
[ Pendulum Effect ] You can reduce the battle damage you take from an attack involving a Pendulum Monster you control to 0. During your End Phase: You can destroy this card, and if you do, add 1 Pendulum Monster with 1500 or less ATK from your Deck to your hand. You can only use each Pendulum Effect of "Odd-Eyes Pendulum Dragon" once per turn. [ Monster Effect ] If this card battles an opponent's monster, any battle damage this card inflicts to your opponent is doubled.