Plantacus the Unsowable

Indestructible, Defender, Reach
Whenever a land enters the battlefield under an
opponents control, that player creates a 0/1 green
Plant token with defender and reach.
Plantacus the Unsowable gets +X/+X, where X
is the number of plants all opponents control.
Sacrifice a land: Target opponent creates two
0/1 green plant tokens with defender and reach.
{g}{g}: All Plant creatures target player controls
lose defender until end of turn.