
Whenever you cast a creature spell, tap target creature.
Onslaught has 2 printings, first in Exodus (1998). EDHREC ranks it #21,862 among Commander cards. It appears most in Norin, Swift Survivalist decks (76 on EDHREC). It has 3 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.