Nightshade, Plantbound

Lifelink, Trample
Whenever Nightshade, Plantbound deals damage to a player, deal that much damage to target creature opponent controls. If there are no targets for this ability sacrifice target artefact or deal the damage to yourself.
{t}{b/r}{b/r}{b/r}: If Nightshade, Plantbound, has no Doom Counters they become Doomed in addition to their other creature types and gains three Doom Counters.
"Hang onto them. Your friends are important."