
Green creatures can't attack unless their controller sacrifices a land of their choice for each green creature they control that's attacking. (This cost is paid as attackers are declared.)
Flooded Woodlands has 1 printing, first in Ice Age (1995). EDHREC ranks it #23,987 among Commander cards. It appears most in Dromar, the Banisher decks (255 on EDHREC).
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.