Trample, haste
Whenever Lightning Skelemental deals combat damage to a player, that player discards two cards.
At the beginning of the end step, sacrifice Lightning Skelemental.

When Loxodon Lifechanter enters the battlefield, you may have your life total become the total toughness of creatures you control.
: Loxodon Lifechanter gets +X/+X until end of turn, where X is your life total.

This spell costs less to cast if an opponent controls a green permanent.
Deathtouch
Whenever Oakhame Adversary deals combat damage to a player, draw a card.

Deathtouch
As Plague Engineer enters the battlefield, choose a creature type.
Creatures of the chosen type your opponents control get -1/-1.

At the beginning of your end step, sacrifice each other creature you control.
Discard two cards, Sacrifice Plague Reaver: Choose target opponent. Return Plague Reaver to the battlefield under that player's control at the beginning of their next upkeep.

When Rank Officer enters the battlefield, you may discard a card. If you do, create a 2/2 black Zombie creature token.
, , Exile a creature card from your graveyard: Each opponent loses 2 life.

Whenever Sage of the Falls or another non-Human creature enters the battlefield under your control, you may draw a card. If you do, discard a card.

Shambling Suit's power is equal to the number of artifacts and/or enchantments you control.

Steelbane Hydra enters the battlefield with X +1/+1 counters on it.
, Remove a +1/+1 counter from Steelbane Hydra: Destroy target artifact or enchantment.

Target creature gets +1/+3 until end of turn. Put a reach counter on it. Untap it.

Swarm Shambler enters the battlefield with a +1/+1 counter on it.
Whenever a creature you control with a +1/+1 counter on it becomes the target of a spell an opponent controls, create a 1/1 green Insect creature token.
, : Put a +1/+1 counter on Swarm Shambler.

Defender, reach
Creatures you control have haste.

When Turntimber Ascetic enters the battlefield, you gain 3 life.

Changeling (This card is every creature type.)
Reach
When Webweaver Changeling enters the battlefield, if there are three or more creature cards in your graveyard, you gain 5 life.