Stall using mystic mine.
Set up Imperial Iron Wall, Fabled Raven, and Cannon Soldier to repeatedly use Quillbolt Hedgehog's effect to the field to be a tribute for Cannon Soldier.
Search out Mystic Mine with Card of Demise, Terraforming, Metaverse, and Planet Pathfinder.
Ojama Duo and Ojama Trio greatly boost the consistency of mystic mine staying in effect along with field barrier.
The Winged Dragon of Ra - Sphere mode, Mystical Space Typhoon, and Double Summon help in niche cases and can be replaced with more traps that negate backrow removal spells if desired.