Lock in early
Even if both Players possess a copy, only one should be allowed on the field at any time
Penguin Knight doesn't provide such a boon
[10] Card type: Spell Level: N/A (not a monster) Honorable mentions: Wu says some other cool and old-school spell cards include Graceful Charity, Cold Wave, Card Destruction, Heavy Storm, Giant Trunade, Change of Heart, Snatch Steal, Harpie's Feather Duster, Card of Safe Return, Mirage of Nightmare, Premature Burial, Confiscation, Delinquent Duo, Painful Choice, and Forceful Sentry
Do this twice and your, otherwise weak, Scream Tail can hit for 80 damage
Each Creature has a power representing how much damage it does in combat, and a toughness representing how much damage it takes to destroy it