For more information, check out our guides on the most expensive Pokemon TCG cards and an explainer of what the symbols on the cards mean
3, T: Tap target creature you control and target creature of an opponent's choice he or she controls
reveals itself in the hand and then forces the opponent to discard a random card from the hand
Exsanguinator Cavalry A 2/3 with some relevant evergreen keywords and a conditional advantage-generator is about the bog standard for Commander rares
Now if the UG lands player doesn't have a sufficient landfall threat on the board, he or she can still find value in returning their lands to hand, discarding them for value (maybe to Wild Mongrel, Noose Constrictor, etc., or Turntimber Sower, if not Trade Routes), and having options to re-play them for future landfall triggers or other shenanigans
On some cards, such as the Werewolves, you could also transform back