Rimuru Tempest, Slime Reborn

Whenever another nontoken creature you control
dies, if it wasn't sacrificed, you may put Rimuru
Tempest, Slime Reborn onto the battlefield from
the command zone and draw a card.
Other creatures you control get +1/+1 and are
legendary.
{3}{g}, {t}: Return target creature card from your
graveyard to the battlefield tapped.