Gluntch, The Bestower is a politically-driven commander that offers resources to opponents, serving as a bargaining tool
For your Convoke you may tap only creatures under your control
Lastly, Sun Titan is an all-star that can be used to return any permanent whose mana value is 3 mana or less, including lands
However, it is important to mention that you are not really gaining any tempo from this trade, since when you take a card from your opponent's hand, they are never spending their mana to cast it (unlike a Counterspell, for example, which has a weird Time Walk effect on the opponent, since you not only stop the spell but also force your opponent to spend mana attempting to cast it)
The box contains 30 Play Boosters, which are packs designed to build out your collection and play Limited games like Draft or Sealed with friends
When combined with the Stensia Masquerade and Stromkirk Captain already in the deck for first strike and the many ways we can force fights or deal damage (think Markov Enforcer) you can mow down the opposition