Adric, Mathematical Genius + The Fifth Doctor, Magic combo, Trolleri

€ 0,26
Adric, Mathematical Genius
Legendary Creature — Human Artificer
€ 0,20
The Fifth Doctor
Legendary Creature — Time Lord Doctor

Result

Infinite +1/+1 counters on certain creatures
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

Combo data from Commander Spellbook.