Druid of Horns

Whenever this creature becomes the target of an Aura spell, you draw a card.

Whenever you cast an Elf spell, you may create a 1/1 green Elf Warrior creature token.

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

Whenever you cast a spell that targets this creature, draw a card.

Heroic — Whenever you cast a spell that targets this creature, put two +1/+1 counters on this creature.

Whenever a player casts a creature spell, you create a Mutagen token. (It's an artifact with ", , Sacrifice this token: Put a +1/+1 counter on target creature. Activate only as a sorcery.")

Heroic — Whenever you cast a spell that targets this creature, put three +1/+1 counters on this creature.