Nessian Hornbeetle

At the beginning of combat on your turn, if you control another creature with power 4 or greater, put a +1/+1 counter on this creature.

Wood Elves

When Wood Elves enters, search your library for a Forest card, put that card onto the battlefield, then shuffle.

Mossbeard Ancient

Trample
When Mossbeard Ancient enters, you gain 5 life.

Llanowar Elves

Forest

Elvish Warmaster

Whenever one or more other Elves you control enter, create a 1/1 green Elf Warrior creature token. This ability triggers only once each turn.
{5}{G}{G}: Elves you control get +2/+2 and gain deathtouch until end of turn.

Rampant Growth

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Silverback Shaman

Trample
When Silverback Shaman dies, draw a card.

Giant Growth

Target creature gets +3/+3 until end of turn.

Rabid Bite

Target creature you control deals damage equal to its power to target creature you don't control.

Elvish Regrower

When this creature enters, return target permanent card from your graveyard to your hand.

Snakeskin Veil

Put a +1/+1 counter on target creature you control. It gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)