To a dedicated Warhammer 40,000 fan, the difference between a Tactical Marine, an Intercessor, a Grey Hunter, an Infiltrator, a Primaris Incursor, a Sternguard Veteran, and a Chaos Marine may be obvious
I have decided to break each color of commons down to four categories to make the content easy to digest
Enchanted creature gets +1/+1 and has "Whenever this creature attacks, scry 1.") You don't choose a target for Spellbook Vendor's ability at the time it triggers
Considering the prevalence of Tron, its pertinent to include some sideboard cards for the mirror, and these are the three options we see in the Top 16
You cast the instant or sorcery while the ability is resolving and still on the stack
Source: eBay