Matopi Golem
{5}
Artifact Creature -- Golem
3/3
{1}: Regenerate ~this~. When it regenerates this way, put a -1/-1 counter on it.
Skeleton Scavengers
{2}{B}
Creature -- Skeleton
0/0
~this~ enters with a +1/+1 counter on it.
Pay {1} for each +1/+1 counter on ~this~: Regenerate ~this~. When it regenerates this way, put a +1/+1 counter on it.
Soldevi Sentry
{1}
Artifact Creature -- Soldier
1/1
{1}: Choose target opponent. Regenerate ~this~. When it regenerates this way, that player may draw a card.