Registrar el laboratorio

Text:

Delirio — Te cuesta menos lanzar Registrar el laboratorio si entre las cartas de tu cementerio hay cuatro o más tipos de cartas.
Roba tres cartas.

Rulings:

• 7/13/2016 If an effect allows you to cast Scour the Laboratory from your graveyard, count the number of card types among cards in your graveyard after moving Scour the Laboratory from your graveyard to the stack. If its delirium effect no longer applies, it costs <img src="/Handlers/Image.ashx?size=small&amp;name=4&amp;type=symbol" alt="4" align="absbottom" /><img src="/Handlers/Image.ashx?size=small&amp;name=U&amp;type=symbol" alt="Blue" align="absbottom" /><img src="/Handlers/Image.ashx?size=small&amp;name=U&amp;type=symbol" alt="Blue" align="absbottom" /> to cast.