Build Up Pressure With Lots Of Energy Water types have "Plus" energy attacks, moves with a plus sign to the right of the damage number
A Drannith Magistrate would wreck your plans pretty nicely, but I can see why Jhoira was a popular card back in the day
The more you draw and discard, the more you can attack and repeat this process
Attacking, retreating, and activating Abilities is as simple as tapping the Pokemon card and then tapping the relevant button
Lifelink, unlike trample, works even when youre blocking, so you can use it to not only send your opponents creature packing with its +3/+0 , but also recoup some lost life or create a buffer
A faster aggro deck may only need around 5 rocks, while a ramp deck aiming to play big creatures likely wants over 10 rocks