An active Pokmon may attack an opponents active Pokmon one per turn, reducing their health point total by the amount listed on the attack
However, you can also just tap your Panorama for colorless mana until you need to sacrifice it
Creatures that would be awesome to splice with Colossal Dreadmaw include Cold-Eyed Selkie, Blight Mamba, Trygon Predator, Blighted Agent, Predator Ooze, Baleful Strix the list could go on and on
5D's S:1 Ep:30 Duration: 23:36 My Name Is Crow
To make this easier, we have another effect: Whenever you activate a card on your turn, Hyperyton allows you to target a card in the graveyard thats the same type as the card youre activating, then attach the card to Hyperyton as a material