What makes it great is that it can turbo charge itself as the power it gives to the equipped creature is stronger for each creature that dies
Tyrranax Rex Cards that want to get in for damage are pretty good targets for trample, which is why Tyrranax Rex and its toxic ability are a match made in heaven
The beauty of Coiling Oracle is that it takes both effects and puts them together on a card, but because they are the opposites of one another, an effect always happens
As it charges, the creature stores the electricity in those circular, yellow sacs on its cheeks and once fully charged, Raichus ears will point directly upwards
The rarity and dazzling gold is simply a 'flex' on players with just the common version
Reckoner Bankbuster You probably know Reckoner Bankbuster from its long, banworthy stint in Standard, though I encourage players to test it out in Commander too, especially in decks seeking more card advantage