Playing for ante is strictly forbidden under tournament rules
But in TCG Pocket, the ability to open a card pack automatically refreshes every 12 hours, so you arent forced to grind the game at all to get your two packs a day
You will need a specific subset of cards to enable Sen Triplets to their fullest, but this is not a difficult feat to accomplish
Its a multi-format role player, and its impact on both Modern and Legacy has been huge since it was printed one year ago
Those products also had non-standard card backs, making them unusable in tournaments
It gives a huge advantage with mulligans, especially with the new London Mulligan First hand, you've seen 7 cards + 5 OUAT Second hand, you've seen 14 cards + 5 OUAT Third hand, you've seen 21 cards + 5 OUAT Once Upon a Time serves as the missing link in whatever you need during mulligans