More importantly, giving -1/-1 to the creatures until end of turn instead of one damage will make combat easier on your side against creatures that have more than one toughness
Fetchlands Reprints, and youre rolling your eyes, but this is de rigeur: Bloodstained Mire, Flooded Strand, Polluted Delta, Windswept Heath, Wooded Foothills
Giving it either hexproof or deathtouch as needed is pretty cool
You can rush one player to 10 poison counters in a few turns, but that could lead to the rest of the table deciding youre a threat and turning the game into a 2v1
Eventually, you can even make the Haunted Screen into a threat altogether by investing seven mana to turn it into a 7/7 spirit creature easily big enough to kill your opponents with just a few attacks if they dont concede out of fear beforehand
If you complete these missions, you can obtain a Fighting-type deck featuring Mega Lucario ex from Pulsing Aura and Hitmonchan ex from Mega Rising