Professor's Warning is a Magic: The Gathering card. Compare listings from Singapore Magic: The Gathering sellers on CardJio, then jio them on WhatsApp.
Mana cost
{B}
Mana value
1
Type
Instant
Color
Black
Color identity
Black
Card 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.)