
All creatures block each combat if able.
The attacking player chooses how each creature blocks each combat.
Invasion Plans has 3 printings, first in Stronghold (1998). EDHREC ranks it #13,668 among Commander cards. It appears most in Anzrag, the Quake-Mole decks (1,713 on EDHREC).
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.