Penguin Knight doesn't provide such a boon
You can cast it on turn five with no acceleration, and then swing for 10/10 the next turn after activating with mana-making effects you often find in these decks like Chromatic Lantern, Command Tower, and City of Brass
Really, props for being able to do this and for these many cards
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
[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
2) The Bloodthief cares if the opponent lost life, not if their life total is lower than what it started at this turn