Kate Stewart + Intruder Alarm + Hourglass of the Lost + Fatestitcher
Kate Stewart
Intruder Alarm
Hourglass of the Lost
Fatestitcher
Infinite creature ETBInfinite creature tokensInfinite mana creatures you control can produceInfinite untap of creaturesInfinite white manaInfinitely large creatures you control until end of turn
How it works
Activate Hourglass of the Lost's first ability by tapping it, adding and putting a time counter on it.
Kate's first ability triggers, creating a 1/1 Soldier creature token.
When the Soldier enters, Intruder Alarm triggers, untapping all creatures.
Activate Fatestitcher by tapping it, untapping Hourglass of the Lost.