At the cost of ending the turn, players may use one of their Active Pokmon's attacks once the prerequisite number and types of Energy attached to that Pokmon is fulfilled
Ward states, Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays X, where X is an additional cost of some kind
Since SAR cards are the rarest of all while UR cards rank second, SAR cards are almost always more expensive than their UR counterparts
For character cards there should also be no shadowing around the border of the image displaying the Pokmon
Evasive appears to work in a similar manner to Magic: The Gatherings Flying keyword, requiring cards to have the keyword in order to block or attack other cards that have it
Ureni, the Song Unending $11.01 Dragonlord Atarka saw a lot of play in its Standard era, and it still retains a good chunk of its value as a casual (Cube, EDH) staple, be it as a ramp or reanimator target