That's 2 damage to their combined 30 life
click on one of the icons on the left side of the screen, and topics will appear on the right side of the screen that you can click on for information
Ill also be taking budget into consideration, generally avoiding cards that cost more than $5 (at time of the articles writing)
They are not powerful because they are powerful, they are powerful because they do a broadly useful thing and only that thing in a cheap and focused way
In most cases, you can only play it at Sorcery speed as well, meaning that the investment is larger then it looks
Foil promo cards ofBulbasaur,Venusaur ex,Squirtle, andBlastoise ex