This list is based on the competitive side of things, looking at the cards that have had the biggest cross-format impact, but especially in Standard, hot on the heels of the World Championships
As you can see from just these few examples, what the Tinker Time deck really wants to do is create as many tokens as possible of various forms, use them for their abilities (don't be precious about your treasure tokens), and overwhelm your opponents with a barrage of attacks
The massive card flow that people want for free in Commander and multiplayer lead them to attack each other, but not you, especially since they don't have to spend a card to get the card draw, so for them, this is free card advantage over time for each foe that attacks each other, and you'll draw more than the card it took to cast him in one or two turns
A staggering amount of new gear (with more than 50 legal for the new Silver Age format) means the options you can bring into battle are broader than ever before
Normal Monster: This face-up card is unaffected by other card effects this turn