Its simple, its effective, and it can wipe out opposing one and two drops before they rack up any kind of advantage
Another one of my favorite examples, that is probably underappreciated outside of the Alpha context because its power is more subtle, are the Psychic Venom decks
Instead of trying to finish the game as quickly as possible, a control player will spend most of their time taking care of their opponents threats
Whenever one or more creatures you control with power 7 or greater deal combat damage to a player, untap all creatures you control
To play this card, a Charizard EX is needed, and to use its strongest attack players will need to accumulate two fire energies, one dark energy, and two colorless energy
Condition Disclaimer: Cards are not guaranteed to be in 100% perfect condition.