Ok Beedrill [1st Edition] #17 (Pokemon Base Set) Details All prices are the current market price
The dub, in particular, constantly emphasizes that the key to winning Duels is to "trust one's Deck" and to "believe in the Heart of the Cards", but that seldom works in real life

Attack!" When Aster activates either of that monster's effects, he announces "Dark Angel's effect activates" When Aster Summons "Destiny HERO - Dreadmaster", a cut-in frame of Aster briefly appears, and he announces "I release my Destiny HERO from his prison!", followed by "Come on out, Destiny HERO - Dreadmaster!" Most of the time when Aster declares an attack with that monster, he announces "Dreadmaster, attack!", followed by "Predator of Dreadnought!" When Aster activates that monster's effect, he announces "Dreadmaster's effect activates!" When Aster Summons "Destiny HERO - Dogma", a cut-in frame of Aster's face briefly appears, and he announces "Come on out, Destiny HERO - Dogma!" Most of the time when Aster declares an attack with that monster, he announces "Go, Dogma!", followed by "Dagger Dash!" When Aster activates that monster's effect, he announces "Dogma's effect kicks in!", followed by "Life Absolute!" When Aster Summons "The Grand Jupiter", a cut-in frame of Aster's face briefly appears, and he announces "Come here

The reason is simple: Two mana is better than one mana
Then when you cast your second spell each turn
They must have realized that they bit off more than they could chew, as the show required extensive editing in order to become broadcast-worthy