
Each Skeleton you control has trample, attacks each combat if able, and gets +X/+0, where X is the number of other Skeletons you control.
At the beginning of your end step, create a tapped 1/1 black Skeleton creature token. If a creature died this turn, create two of those tokens instead.
Skeletal Swarming has 6 printings, first in Adventures in the Forgotten Realms (2021). EDHREC ranks it #17,303 among Commander cards. It appears most in Sek'Kuar, Deathkeeper decks (340 on EDHREC).
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.