Professor's WarningCasting Cost: Card Type: InstantCard Text: Choose one - - Put a +1/+1 counter on target creature. - Target creature gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)Flavour Text: Professor Onyx urged the twins to prepare for the dark mage Extus, sounding very much like someone familiar with the rise of tyrants.
