1 Tuner + 1+ non-Tuner monsters
If this card is Special Summoned: You can declare 1 Attribute; this card gains the following effect.
●All face-up monsters become that Attribute.
You can target 1 monster in your opponent's Main Monster Zone; your opponent must send 1 card from among its adjacent Monster Zones or Spell & Trap Zones to the GY. You can only use each effect of "Maple Maiden" once per turn.