When you build a Constructed deck, you have as much synergy as you want, and theres always value to be gained by having a gameplan
So after over 20 years, Charizard is finally enjoying some success
Then, reshuffle your whole deck
Wizards underestimated the utility of cheaply making more mana or taking an extra turn, or the inherent card advantage of drawing three cards so easily
Tinker doesnt even need a second card to be absurd, although frequently it was combined with Time Walk to great effect since all you need to do is untap
The majority of spells in the deck create an artifact token in some form, many creating several at one, helping Hedron Detonator deal a significant amount of damage over the course of the game