Pokmon is the world's highest-grossing media franchise, surpassing even Disney and "Star Wars." Cards have rocketed in value, outpacing sports cards and beating the S&P stock market by 3,000% in the past 20 years, Goldin founder and CEO Ken Goldin told CNN in December after Logan confirmed he would be auctioning off the card
Efficiency is the name of the game and you want to select the ones you feel are fitting into the metagame and overlap enough to hit multiple strategies
Let's consider each method separately
What affects the value of Hollowmurk Siege
This typically involves creatures or artifacts that tap for mana (mana dorks and mana rocks, as we call them) or spells and abilities that allow players to play more than one land per turn, often by searching up another land
When you sacrifice it to Skirk Prospector, it returns with a -1/-1 counter, but this cancels out against the +1/+1 counter provided by Metallic Mimic or First Day of Class