Calla, the Bog Blossom

Hexproof, Swampwalk
Calla, the Bog Blossom gets +1/+1 for each land
you control and each land card in your graveyard.
Landfall - Whenever a land enters the battlefield
under your control, put a +1/+1 counter on
target creature. It becomes a swamp.
Swamps can't attack you or planeswalkers you
control.
"The cucumbers are escaping!"