Nurikabe, the Living Wall

Reach, Hexproof, Absorb 2, Lifelink, Partner

Wall creatures you control cost {4} less to cast.

Nurikabe, the Living Wall can block any number of creatures, and can block any creature.

Whenever a player casts a spell during another
players turn, Gain 1 life for every Wall and/or
Shrine you control. When you do, you may draw up
to three cards and play a land if able.