Browse Destiny HERO Yu-Gi-Oh
12 weeks would still be more than Amonkhet is getting, and more than Hour will get assuming Ham releases September 29
Finally, the level three ability, which costs a further four mana, lets you put a +1/+1 counter on each creature any time you cast a spell
Obviously in a competitive tournament, where there are prizes, proxies will almost always be banned, but in casual formats, like Commander, "proxies" are common, and I, personally, don't see any problems for the most part, although I don't use them
Jewels from events could be obtained either randomly (through Lotteries), or via Point rewards
Pokemon TCG Pocket Mega Shine Expansion Secret Missions started with the release of the expansion