Attacking creatures you control have deathtouch.

Whenever a creature you control deals combat damage to a player, draw a card.

Other Snake creatures you control get +2/+2.

Whenever a Snake you control deals combat damage to a player, you may draw a card.

Trample

Whenever this creature deals combat damage to a player, you may draw a card.

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

Whenever Haliya enters or attacks, put a +1/+1 counter on target creature you control.

Whenever one or more creatures you control with +1/+1 counters on them deal combat damage to a player, draw a card.

Whenever one or more creatures you control deal combat damage to a player, tap all lands that player controls and untap all lands you control.

When this enchantment enters, creatures you control get +2/+2 until end of turn.

Whenever one or more Allies you control deal combat damage to a player, draw a card.

Whenever Venus is dealt damage, put that many +1/+1 counters on her. (She must survive the damage to get the counters.)

Whenever a creature you control with a counter on it deals combat damage to a player, you may pay . If you do, draw a card.

Trample

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

Vigilance, reach

Whenever a Dinosaur you control deals combat damage to a player, draw a card.

Vigilance, trample

Whenever a creature you control deals combat damage to a player, draw a card if that creature has a +1/+1 counter on it. If it doesn't, put a +1/+1 counter on it.

Vigilance, menace, trample, haste

Whenever one or more Mutants, Ninjas, and/or Turtles you control deal combat damage to a player, put a +1/+1 counter on each of those creatures and draw a card.

Deathtouch

Whenever a creature you control with deathtouch deals combat damage to a player, put that many +1/+1 counters on that creature.

Disguise (You may cast this card face down for as a 2/2 creature with ward . Turn it face up any time for its disguise cost.)

Flying

Whenever this creature deals combat damage to a player, you may draw a card. If you do, discard a card.

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

Other Archer creatures you control get +1/+1.

Whenever an Archer you control deals damage to a creature, that Archer deals that much damage to that creature's controller.

Whenever this creature deals combat damage to a player, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

Whenever a Sliver deals combat damage to a player, its controller may create a 1/1 colorless Sliver creature token.

Your opponents can't cast spells during combat.

Whenever a creature you control deals combat damage to a player, goad each creature that player controls. (Until your next turn, those creatures attack each combat if able and attack a player other than you if able.)

Trample

Whenever one or more creatures you control with trample deal combat damage to a player, create an X/X green Dinosaur Beast creature token with trample, where X is the amount of damage those creatures dealt to that player.