Prerequisites
- The Fifth Doctor on the battlefield
- Adric, Mathematical Genius on the battlefield
- You control creatures that together can tap for at least and didn't attack or enter this turn
- Adric didn't enter this turn
Steps
- At the beginning of your end step, The Fifth Doctor triggers
- Holding priority, activate mana-producing creatures you control by tapping them, adding at least
- Activate Adric's first ability by paying and tapping them, copying the Fifth Doctor's trigger
- Resolve the copied triggered ability, untapping all creatures you control that didn't enter or attack this turn and putting a +1/+1 counter on each them
- Repeat from 2
Results
- Infinite +1/+1 counters on all creatures you control except ones that attacked or entered the battlefield this turn
- Infinite mana creatures you control can produce except ones that attacked or entered the battlefield this turn
- Infinite untap of creatures you control except ones that attacked or entered the battlefield this turn
Required Cards 2
The Fifth Doctor
Legendary Creature — Time Lord Doctor
Adric, Mathematical Genius
Legendary Creature — Human Artificer