Canopy Heights Civilization

Enchant Basic Forest
Enchanted land has "{t}: Search your library for
a basic Forest card, reveal that card, and put it
into your hand," and "{g},{t}: Create a copy
of Canopy Heights Civilization and attach it to a
basic Forest you control"
Whenever you are attacked, if you are not being attacked by a green creature, target green
creature you control gains reach and may block
an additional creature until end of turn.