How it works
Prerequisites
- Shadowheart does not have summoning sickness.
Steps
- 1Cast Body of Research by paying , creating a 0/0 Fractal creature token, then putting a number of +1/+1 counters on it equal to your deck size.
- 2Activate Shadowheart by paying , tapping it and sacrificing the Fractal, causing you to draw your library.
Commander brackets
In which brackets is this combo allowed, per Spellbook's Oddball tier?