As mentioned in the "using lands" section, you must have adequate lands in play to produce the overall amount of mana (in this case, two) and any color requirements (one black, one white) to cast the given creature
Since weve only seen siege battles so far, itll also be interesting to see what non-siege battles look like
Theres one keyword ability in Magic that will allow your creatures to charge into the red zone the turn they hit the table
Holographic Finish : The Holo version of the Pichu card has a shiny, reflective finish on the image of Pichu, making it more visually appealing and rarer than the non-Holo version
Putrefy , Beast Within , Abrupt Decay , Assassin's Trophy , Chaos Warp , and Deathsprout are all good options