Downerd Magician (LVAL-EN057) [Legacy of the Valiant] Metal Psychic if your opponent controls more

if your opponent controls more cards than you do: You can make your opponent banish cards from their field face-down so they control the same number of cards as you do

or by any effects on your opponent's Active Pokémon Attack 2: [WW] Energy Spiral (50)

done to Jumpluff

Once per turn (Quick Effect): You can detach 1 material from this card

Downerd Magician (LVAL-EN057) [Legacy of the Valiant] Metal Psychic if your opponent controls moreNumber: LVAL EN057 Rarity: Secret Rare Attribute Monster Type Card Type: DARK Spellcaster Xyz Effect Monster Level: 4 A D: 2100 200 Description: 2 Level 4 Spellcaster Type monsters During your Main Phase 2, you can also Xyz Summon this card by using a Rank 3 or lower Xyz Monster you control as the Xyz Material. (Xyz Materials attached to that monster also become Xyz Materials on this card.) This card gains 200 ATK for each Xyz Material attached to it.