Common blue archetypes include: Control : Focuses on countering spells and using tempo plays to lock down the opponents resources
I don't have access to the MTG site to be able to cite the rulebook, but it's all down to the stack
This could have been the herald of Izzet Artifacts and had a version of this card existed even a year earlier, they could have been an upgrade from Kurkesh, Onakke Ancient for those who were looking for this kind of effect
Sports card collecting has changed dramatically over the years, and CGC Cards is working hard to adapt and grow with the market
The card should be recognizable at first glance, shouldn't contain anything that could offend someone (naked females included) and shouldn't be misleading or giving information relevant to the game (for example Trinket Mage with Sensei's Divining Top painted on it is not in general considered tournament legal)
Ok, let's get into the cards themselves