Debris Dragon WIND/Dragon/Tuner/4/1000/2000 When this card is Normal Summoned, you can Special Summon 1 monster with 500 or less ATK from your Graveyard in Attack Position. That monster's effect(s) is negated. This card cannot be used as a Synchro Material Monster, except for the Synchro Summon of a Dragon-Type Synchro Monster. The other Synchro Material Monster(s) cannot be Level 4.
Though it is not a Level 4 Tuner, Delta Fly can make easy Level 8 Synchros from using its effect.
Delta Fly WIND/Dragon/Tuner/3/1500/900 Once per turn, you can increase the Level of 1 other monster you control by 1 --- Never assume anything, Assumption is the mother of all **** ups.