Infinite untap of creatures you control, Infinite mana creatures you control can produce
Cast Jace by paying .
The Sixth Doctor triggers, copying the Jace spell, with the copy being nonlegendary.
Resolve both Jace spells.
Activate a mana-producing creature by tapping it, adding at least .
Activate Romana II by paying and tapping it, creating a copy of the Jace token.
Activate a Jace token's second loyalty ability by putting a loyalty counter on it, untapping all creatures you control.
Repeat from step 4.
Component Cards
How It Works
Cast Jace by paying .
The Sixth Doctor triggers, copying the Jace spell, with the copy being nonlegendary.
Resolve both Jace spells.
Activate a mana-producing creature by tapping it, adding at least .
Activate Romana II by paying and tapping it, creating a copy of the Jace token.
Activate a Jace token's second loyalty ability by putting a loyalty counter on it, untapping all creatures you control.
Repeat from step 4.