Opal-Eye, Konda's Yojimbo (fr)

Defender (This creature can’t attack.)

Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)

{T}: The next time a source of your choice would deal damage this turn, that damage is dealt to Opal-Eye instead.

{1}{W}: Prevent the next 1 damage that would be dealt to Opal-Eye this turn.