So, so many cards in Magic use a counter of one kind or another to track their power or otherwise generate value
Jigglypuff and Wigglytuff ex Jigglypuff: Start with Jigglypuff (Promo-A version), whose Sing attack puts the opponents Active Pokmon to sleep for a single Colorless Energy
Theres also a bunch of cards that reference Deserts , a special type of land that showed up in Amonkhet, but had no previous mechanical relevance
Cephalid Coliseum by Cliff Childs Cephalid Coliseum | Illustration by Cliff Childs Another big name when it comes to depicting lands, Cliff Childs has a tremendous talent in drawing vast scenes from the perspective of someone who just entered some cavernous enclosure
This deck also contains some targeted removal of its own, so you can clear the way for Kaalia in case your opponents have any flyers of their own
So three attacking copies of Signal Pest give a total of +3/+0 to your army