Silverback Shaman

Trample
When this creature dies, draw a card.

Hooting Mandrills

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)
Trample

Elephant-Mandrill

Reach
When this creature enters, each player creates a Food token. (It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.")
At the beginning of combat on your turn, this creature gets +1/+1 until end of turn for each artifact your opponents control.

Tarrian's Soulcleaver

Equipped creature has vigilance.
Whenever another artifact or creature is put into a graveyard from the battlefield, put a +1/+1 counter on equipped creature.
Equip {2}

Clockwork Percussionist

Haste
When this creature dies, exile the top card of your library. You may play it until the end of your next turn.