There is a stratagy with Butterfly Dagger -Elma. Royal Magicigly Library. Gearfried THE Iron Knight.Spell Absorption and Infinite cards.Use Butterfly Dagger-Elma on Gearfried The Iron Knight and if each time Butterfly Dagger -Elma is send back to your hand and thanks to Spell Absorpion you gain 500 life points and if you do that 3 times you get to draw 1 card thanks to the effect of Royal Magicigly Library and Infinite cards you can have as many cards in your hand as possibly. And if you have Exodia soon enough you will have it in your hand.