Hi-Speedroid Clear Wing Rider X WIND Level 11 [ MachineSynchroEffect ] ATK 3500 DEF 2000 1 WIND Tuner + 1 non-Tuner WIND Synchro Monster Once per turn, during your Main Phase: You can roll a six-sided die and shuffle WIND monsters from your GY into your Deck, up to the result, then, you can destroy cards your opponent controls up to the number shuffled, and if you do, this card gains 500 ATK for each card destroyed by this effect, until the end of this turn
SE Secret Rare Elemental HERO Spirit of Neos X LIGHT Level 7 [ WarriorEffect ] ATK 2500 DEF 2000 When an opponent's monster declares an attack: You can Special Summon this card from your hand in Defense Position, and if you do, it cannot be destroyed by battle
I also quite like Malboro here, as removal spells drag out games to the point when bigger creatures can take over the board
A few ways to exploit this include creature tutors like Recruiter of the Guard and ability doublers like Illusionist's Bracers and Strionic Resonator