The only way to counter Transmute is through Activated Ability disruption, such as with Stifle or Trickbind
Besides creatures that make more creatures, ideal reanimation targets are creatures that have a big impact the moment they hit the battlefield, so that even an opponent holding Swords to Plowshares with available will have a hard time recovering from your unfairness
Fine filler but like so many of these good 3-5 drop cards, they are just smoothing out the curve and making up the numbers
Ultra-chase tier recognized by special foiling, extended artwork, or alternate frames
However, you'll eventually want to craft your first deck using the cards you've acquired during the tutorials, the New Player Experience, as rewards, and any you've purchased