Wildfire Elemental

Creature — Elemental

Produces: nothing.

Cares about: anything being dealt damage.

Partners

561 cards can cause an Elemental creature it boosts.

1. Incandescent Soulstoke — Incandescent Soulstoke gives Wildfire Elemental bigger stats

860 cards can cause a Goblin or Elemental it grants abilities to.

1. Caterwauling Boggart — Caterwauling Boggart gives Wildfire Elemental an extra ability

1,529 cards can cause an Elemental creature or artifact or enchantment or planeswalker or instant or sorcery or battle it makes cheaper to cast.

1. Brighthearth Banneret — Brighthearth Banneret reduces what Wildfire Elemental costs

3,016 cards can cause anything being dealt damage.

1. Advanced Reconstruction — When a permanent is dealt damage thanks to Advanced Reconstruction, Wildfire Elemental gives +1/+0
2. Fuming Effigy — When a permanent is dealt damage thanks to Fuming Effigy, Wildfire Elemental gives +1/+0
3. Dragon's Approach — When a permanent is dealt damage thanks to Dragon's Approach, Wildfire Elemental gives +1/+0
4. Pia's Revolution — When a permanent is dealt damage thanks to Pia's Revolution, Wildfire Elemental gives +1/+0
5. Pardic Arsonist — When Pardic Arsonist is dealt damage, Wildfire Elemental gives +1/+0
6. Chainflinger — When Chainflinger is dealt damage, Wildfire Elemental gives +1/+0
7. Lightning Surge — When Lightning Surge is dealt damage, Wildfire Elemental gives +1/+0
8. Shower of Coals — When Shower of Coals is dealt damage, Wildfire Elemental gives +1/+0

736 other cards cause it too, equally specific. The ones shown are the best connected.