Successor Soul — Ruling

Effetto 0

This card cannot be activated during a turn in which you already attacked with 2 or more monsters. If you attack with a monster during the turn you activate this card, you can only attack with that monster.
This card cannot be activated during the Damage Step.
This card targets 1 Effect Monster your opponent controls.
When resolving this effect, send the targeted monster to the Graveyard, then Special Summon 1 Level 7 or higher Normal Monster from your hand or Deck. (These actions do not occur simultaneously.)
Tributing 1 Effect Monster you control is the cost to activate this card.