I was lucky enough to pull Umbreon GX and its remained one of my top favorites from the shiny vault
It is clean, clear, flavourful and very well balanced
Still, once it resolves, you can choose how to kill your opponent slowly by either casting spells from the top of their library without paying mana, shrinking their hand, killing their creatures, and, if they've survived long enough, exiling all their non-land permanents with the ultimate
The amount you can earn on a daily basis is pretty staggering, including: Daily log in bonus (tokens and packs) Daily Challenge (tokens and level progress to additional daily challenges) Daily Versus Rewards (160 tokens + 5 mystery prizes + 1 Event Ticket) for your first 11 wins Season Versus Rewards, which offer tons of packs, tokens, and special cards, resetting every 3 weeks Winning and Win Streak Bonus Tokens Trainer Challenges (tokens and packs) Tournaments (tokens and packs) I've quite easily been earning 3-4 packs and ~1000 tokens a day by playing