The All Blossom

Defender, ward {3}.

Whenever a land enters the battlefield under an opponent’s control, create a 0/1 green Plant creature token.

Landfall - Whenever a land enters the battlefield under your control, put a +1/+1 counter on each Plant you control.

{5}{g}: Each player searches their library for a land card and puts it onto the battlefield tapped, then shuffles.