+
Urza, Lord High Artificer + Corridor Monitor + Retraction Helix + Sapphire Medallion
How it works
Prerequisites
- You control a creature that doesn't have summoning sickness.
Steps
- Cast Retraction Helix by paying , targeting a creature you control that doesn't have summoning sickness.
- Cast Corridor Monitor by paying due to Sapphire Medallion.
- When Corridor Monitor enters, it triggers, untapping the creature targeted by Retraction Helix.
- Activate Urza's first ability by tapping Corridor Monitor, adding .
- Activate the creature targeted by Retraction Helix by tapping it, returning Corridor Monitor from the battlefield to your hand.
- Repeat from step 2.
Commander brackets
In which brackets is this combo allowed, per Spellbook's Exhibition tier?
1–2 · Exhibition & Core
Allowed in this bracket.
3 · Upgraded
Allowed in this bracket.
4–5 · Optimized & cEDH
All combos are allowed.
Based on Commander Spellbook