Color Identity: C

Initial Card State
- Crackdown Construct and Dragonfire Blade on the battlefield.
Notable Prerequisites
- You control a creature that is four or more colors.
Steps
- Activate Dragonfire Blade's equip ability by paying ({0} magic symbol)
, targeting any creature you control that's four or more colors. - Crackdown Construct triggers, giving it +1/+1 until end of turn.
- Resolve Dragonfire Blade's equip ability.
- Repeat.
Results
- Infinitely large creature until end of turn.
Bracket Tag
This combo has been estimated to be Oddball (Bracket 2-3+).