yugioh army deck Reinforcement of the [MAMA-EN108] Secret Pharaoh's Rare – TokenMTG the iconic Machina Gearframe and Machina Fortress make a triumphant return Elemental Warriors! - Yugipedia

This card can be very powerful in a creature-heavy deck but does run the risk of helping out your opponents more than you

Torment of Hailfire is a card with X in its mana value that forces your opponents to sacrifice permanents or discard cards in exchange for not losing chunks of 3 life

The reason this line is slightly worse than the 2 Pikachu setup is that if your hand gets disrupted somehow (e.g., your opponent breaks the lock with an Escape Rope or similar, and then plays N), you now have 2 pieces you need to find from your deck (Raichu and the Devolution Spray)

Both of these Fusion Monsters are great for their respective areas when they are needed for certain situations as interruptions