Trample
When Argothian Wurm enters the battlefield, any player may sacrifice a land. If a player does, put Argothian Wurm on top of its owner's library.
When Armada Wurm enters the battlefield, put a 5/5 green Wurm creature token with trample onto the battlefield.
Madness (If you discard this card, you may cast it for its madness cost instead of putting it into your graveyard.)
Convoke (Each creature you tap while casting this spell reduces its cost by or by one mana of that creature's color.)
: Target green creature blocking Barbed-Back Wurm gets -1/-1 until end of turn.
Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters the battlefield with a +1/+1 counter on it.)
Creatures with power less than Battering Wurm's power can't block it.
Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)
Other green creatures you control have intimidate.
Boneyard Wurm's power and toughness are each equal to the number of creature cards in your graveyard.
Bloodthirst 3 (If an opponent was dealt damage this turn, this creature enters the battlefield with three +1/+1 counters on it.)
Trample (If this creature would assign enough damage to its blockers to destroy them, you may have it assign the rest of its damage to defending player or planeswalker.)
Whenever Carrion Wurm attacks or blocks, any player may exile three cards from his or her graveyard. If a player does, Carrion Wurm assigns no combat damage this turn.
Whenever Charnelhoard Wurm deals damage to an opponent, you may return target card from your graveyard to your hand.
You may have Deathcoil Wurm assign its combat damage as though it weren't blocked.
Whenever an opponent plays a land, put a +1/+1 counter on Dirtcowl Wurm.
Defender, trample
When Elder Land Wurm blocks, it loses defender.
When Elderscale Wurm enters the battlefield, if your life total is less than 7, your life total becomes 7.
As long as you have 7 or more life, damage that would reduce your life total to less than 7 reduces it to 7 instead.
At the beginning of your upkeep, sacrifice Endless Wurm unless you sacrifice an enchantment.
Whenever Engulfing Slagwurm blocks or becomes blocked by a creature, destroy that creature. You gain life equal to that creature's toughness.
Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)
When Fallow Wurm enters the battlefield, sacrifice it unless you discard a land card.
, Sacrifice a creature: Target player loses 1 life.
Devour 1 (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with that many +1/+1 counters on it.)
Morbid — Gravetiller Wurm enters the battlefield with four +1/+1 counters on it if a creature died this turn.