Aim to Maximum Summon Yggdrago.

To assemble it, use card effects to quickly draw through your Deck, and to ensure you have the cards you need in the Graveyard, use card effects and Tribute Summons.

3 Yggdrago the Heavenly Emperor Dragon Tree [L]
3 Yggdrago the Heavenly Emperor Dragon Tree
3 Yggdrago the Heavenly Emperor Dragon Tree [R]
2 Wicked Shadow – Dark Looker
3 Shrinker Shrimp
3 Picock Hightron
3 Femtron
3 Attron
3 Zeptron
3 Yoctron

1 Pair Production
2 10sion MAX!!
3 Heavenly Protection

3 Echoing Whispers
1 Quantum Hole
1 Trap Hole

Source