Battles of Legend: Monstrous Revenge

You can Tribute 1 DARK monster; increase the Levels of all "Baby Spiders" you currently control by the Level of that Tributed monster. You can pay half your LP, banish this card from your GY, and detach 1 material from your DARK Xyz Monster, then target 1 DARK monster in your GY; Special Summon it. You can only use each effect of "Baby Spider" once per turn.

Baby Spider

If you control no monsters, you can Special Summon this card (from your hand). You can Tribute this card; you cannot Special Summon from the Extra Deck for the rest of this turn, except Xyz Monsters, also Special Summon up to 3 "Baby Spider" from your hand and/or Deck, and if you do, they become Level 5, but cannot be used as material for an Xyz Summon, except the Xyz Summon of a DARK monster. You can only use this effect of "Mother Spider Splitter" once per turn.