Super Duper Polymerization

Pay 2000 LP, then target 1 Effect Monster on the field; Special Summon 1 monster from your Extra Deck, with the same Type and Attribute but a different Level (but negate its effects), then apply 1 of these effects. Neither player can activate cards or effects in response to this card's activation.
• Fusion Summon 1 Fusion Monster from your Extra Deck, using the Special Summoned monster and the targeted monster.
• Send the Special Summoned monster to the GY.
You can only activate 1 "Super Duper Polymerization" per turn.