Adventures: This concept came about as a result of the D&D set, and it returns in honor of the Final Fantasy series
1 Trainer Card as a reward
Though Multani had been initially reluctant to help, he found himself impressed by the insatiable nature of Yargle's appetite and found himself with a new appreciation for Urborg's strange ways
Besides a huge Hydroid Krasis or riot creatures from Gruul, Heartless Act deals with all the top creatures in the format from Uro, Titan of Natures Wrath, Torbran, Thane of Red Fell, Kenrith, the Returned King, Mayhem Devil, and even the creatures Nissa, Who Shakes the World creates
Since it might be your first-time, my recommendation is just play and have a good time
Most of the time you counter someones spell, youre countering something they played on their turn, likely to try to win