Equipment artifacts were first introduced to the game with October 2003's Mirrodin set, and they appeared throughout that block representing a creature's magical weapons and other devices
The First Doctors ability to add +1/+1 counters is likely to mostly be used on creatures, but its nifty to think about putting it on Vehicles like the TARDIS
Dont Ink, or Mulligan, The Queen, Commanding Presence if shes in your opening hand Grumpy, Bad-Tempered gives all Dwarfs plus-one power
It's a strategy of attrition that forces your opponent to play out all of their cards while you continuously oppress their board until eventually, they run out of resources
Even without stacking a ton of spells, being able to tutor one dragon straight onto the battlefield is powerful but when you storm off, you could end up putting three, four, or even five dragons into play all at once