I like the London Mulligan , and I just think its a better option for most formats since it makes it less likely to mana screw
Contents: 1 ready-to-play deck of 100Magiccards (2 Traditional Foil Legendary cards, 98 nonfoil cards)
Get the Best Cards from the "XY" and "XY BREAK" Series This special edition is an excellent choice for anyone who wants to own some of the best cards from the "XY " "XY BREAK" series, which consists of over 1,000 cards
Most of the reasons are just the Merfolk are very strong and also that Hakbal of the Surging Soul, the face card, allows you to use the explore mechanic a lot
At first an instant speed threaten sounds really good, but because this one suspects the creature you grab, it cant actually be used to block an opposing attacker or anything like that, so it being an instant isnt a huge deal