REDU format ruling

Ground Spider

This card by format:GoatEdisonTenguREDUAdvanced
Ground Spider
Nearest-era rulings (Tengu, Sept 2011) — no REDU-specific archive exists.
Card effect (current official text)Once per turn, if you control this face-up Defense Position monster when your opponent Normal or Special Summons a monster(s), you can change that monster(s) to Defense Position.

Rulings

  • This effect does not target.
  • If Ground Spider is no longer on the field when its effect resolves, the monster will still be switched to Defense Position.
  • If your opponent Special Summons multiple monsters and at least one of them is Summoned in Attack Position, you can activate this effect.
  • If your opponent Special Summons multiple monsters and you activate this effect, all of the Summoned monsters are changed to Defense Position.
  • You cannot activate this effect during the Damage Step.
source: Rulings_Tengu (Format Library) — nearest era to REDU (Sept 2011 vs Sept 2012); verify against period sources
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the REDU forum — sourced change requests get reviewed.

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