Even if some or all of those creatures are no longer attacking or no longer have power 4 or greater when the ability resolves, they still count towards how many lands you can search for
Borderless, with a little extra flair on the edges
3: Target creature gets +X/+X or -X/-X until end of turn, where X is the number of Swamps you control
Artists were selected on their capacity to deliver on one or all of the four parameters I set for the sets visual direction: Epic (scale and scope), Legendary (attention to lore), Storytelling (attention to characters and their relationships), Pastoral (what our heroes are fighting to protect)
7: Target opponent loses 2 life for each creature card in their graveyard
Some value lands help you fix your mana, others dont