Whenever this creature deals combat damage to a creature, destroy that creature at end of combat.

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

Whenever a creature you control is dealt damage, put a +1/+1 counter on it. (It must survive the damage to get the counter.)

Indestructible (Damage and effects that say "destroy" don't destroy this creature.)

Whenever this creature attacks, put a +1/+1 counter on it.

Whenever a creature dealt damage by this creature this turn dies, put a +1/+1 counter on this creature.

Trample

Whenever a Saproling you control deals combat damage to a player, create that many 1/1 green Saproling creature tokens.

Whenever a creature you control with a +1/+1 counter on it deals combat damage to a player, you may draw a card.

Whenever a player casts a green spell, put a +1/+1 counter on this creature.

Trample

Whenever a creature you control with power 4 or greater enters, put a +1/+1 counter on this creature.

Trample

This creature enters with two +1/+1 counters on it.

If damage would be dealt to this creature, prevent that damage. Remove a +1/+1 counter from this creature.

: Put a +1/+1 counter on this creature.

Whenever another Elf enters, put a +1/+1 counter on this creature.

Trample

Whenever an opponent gains life, put that many +1/+1 counters on this creature.

Trample

Whenever you roll your third die each turn, put a +1/+1 counter on this creature.

Trample

Whenever this creature deals combat damage to a player, you get that many (energy counters).

Exhaust — Pay six : Put two +1/+1 counters on this creature. Then draw cards equal to the greatest power among creatures you control. (Activate each exhaust ability only once.)

This creature has trample as long as it has a +1/+1 counter on it.

Ravenous (This creature enters with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.)

Trample

Heavy Power Hammer — Whenever this creature deals combat damage to a player, destroy target artifact or enchantment that player controls.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

Landfall — Whenever a land you control enters, put a +1/+1 counter on this creature.

Enchant creature

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

Whenever another creature you control dies, put a +1/+1 counter on this creature.

Whenever this creature deals combat damage to a creature, tap that creature and it doesn't untap during its controller's next untap step.