Midnight Merger

All blue and/or green creatures have Trample
and Flying.
All blue and/or green spells are {g/u}{g/u}{g/u}
less to cast.
Cumulative upkeep—{3}(if you don't, bury it.)
Landfall—Whenever a land enters the
battlefield under anyone's control add a
+1+1 counter to all blue and/or green
creatures under anyone's control.