Garemo, Bio-Alchemist

Partner, Whenever a creature enters the
battlefield under your control gain 2 life
and draw a card.
{x}{w}{g}{g},{t}, sacrifice a creature: Search for a creature card with converted
mana cost X or below.
{p/w}{p/w},{ut}: Tap 2 target creatures you control.
{r}{2}{t}, Sacrifice a creature: Deal damage equal
to the sacrificed creatures power to
target creature or planeswalker.