Kogla, the Titan Ape

When Kogla, the Titan Ape enters, it fights up to one target creature you don't control.
Whenever Kogla attacks, destroy target artifact or enchantment defending player controls.
{1}{G}: Return target Human you control to its owner's hand. Kogla gains indestructible until end of turn.

Ruric Thar, the Unbowed

Vigilance, reach
Ruric Thar, the Unbowed attacks each combat if able.
Whenever a player casts a noncreature spell, Ruric Thar deals 6 damage to that player.

Gwenna, Eyes of Gaea

{T}: Add two mana in any combination of colors. Spend this mana only to cast creature spells or activate abilities of creature sources.
Whenever you cast a creature spell with power 5 or greater, put a +1/+1 counter on Gwenna, Eyes of Gaea and untap it.

Dragonborn Champion

Trample
Whenever a source you control deals 5 or more damage to a player, draw a card.

Manglehorn

When Manglehorn enters, you may destroy target artifact.
Artifacts your opponents control enter tapped.

Beast Whisperer

Whenever you cast a creature spell, draw a card.

Somberwald Sage

{T}: Add three mana of any one color. Spend this mana only to cast creature spells.

Llanowar Elves

Rogue's Passage

{T}: Add {C}.
{4}, {T}: Target creature can't be blocked this turn.

Goblin Anarchomancer

Each spell you cast that's red or green costs {1} less to cast.

Garruk's Packleader

Whenever another creature you control with power 3 or greater enters, you may draw a card.

Forest

Soul of the Harvest

Trample
Whenever another nontoken creature you control enters, you may draw a card.