---
name: "Caldera Breaker"
mana_cost: "{3}{R}{R}{R}"
cmc: 6
type_line: "Artifact Creature — Golem"
colors: ["R"]
color_identity: ["R"]
keywords: ["Trample", "Conjure"]
set: "YLCI"
set_name: "Alchemy: Ixalan"
collector_number: "14"
rarity: "mythic"
artist: "Brian Valeza"
oracle_id: "17dac131-8bf0-4851-bc98-15948e37276f"
canonical_url: "https://avascry.com/printing/caldera-breaker-ylci"
legalities:
  commander: "not_legal"
  standard: "not_legal"
  modern: "not_legal"
  pioneer: "not_legal"
  legacy: "not_legal"
  vintage: "not_legal"
  pauper: "not_legal"
  penny: "not_legal"
---

# Caldera Breaker
- **Mana Cost:** `{3}{R}{R}{R}` (CMC: 6)
- **Type:** Artifact Creature — Golem
- **Power/Toughness:** 6/6
- **Keywords:** Trample, Conjure

## Oracle Text
Trample
When Caldera Breaker enters, exile all Mountain cards from your library. When you do, Caldera Breaker deals that much damage to target creature or planeswalker an opponent controls.
When Caldera Breaker dies, put all cards exiled with it onto the battlefield under their owner's control. Conjure four cards named Volcanic Geyser into your library, then shuffle.

## Top 4096-Dim Neural Synergies
1. [World Breaker](/printing/world-breaker-ogw.md) — Creature — Eldrazi
2. [Sundering Titan](/printing/sundering-titan-a25.md) — Artifact Creature — Golem
3. [Volcanic Eruption](/printing/volcanic-eruption-ced.md) — Sorcery
4. [Deus of Calamity](/printing/deus-of-calamity-shm.md) — Creature — Spirit Avatar
5. [Meteor Golem](/printing/meteor-golem-khc.md) — Artifact Creature — Golem
6. [Geode Golem](/printing/geode-golem-c18.md) — Artifact Creature — Golem

## Printing Details
- **Set:** Alchemy: Ixalan (YLCI) #14
- **Rarity:** Mythic
- **Artist:** Brian Valeza

## Format Legalities
Commander: `not_legal` | Standard: `not_legal` | Modern: `not_legal` | Pioneer: `not_legal` | Legacy: `not_legal` | Vintage: `not_legal` | Pauper: `not_legal` | Penny: `not_legal`