Providing Haste wont matter in every situation but synergizes well with double spell decks, casting a low-cost creature, then pumping it with Rune of Speed while taking advantage of casting a second spell
Jetfire, Ingenious Scientist/Air Guardian (4/10) Jetfire, Ingenious Scientist is a mono blue Autobot that also utilises +1/+1 counters to generate colourless Mana to cast additional Artifacts
Similarly, creatures that enter attacking later in combat won't be considered when determining whether a creature attacked alone
But if you are behind a wall of creatures and not threatened, which is common in the later game, then you can rotate his +1 and -1 and over a few turns draws cards, gain life, and influence future combats in your favor
it's just one that, for the most part, will result in slow, methodical turns if you start thinking about the various ways you can win
Draw four cards