Lae'zel, Vlaakith's Champion, Jace, Cunning Castaway, and Oath of Gideon

Prerequisites

• Lae'zel, Vlaakith's Champion on the battlefield
• Jace, Cunning Castaway in hand
• Oath of Gideon on the battlefield
• available

Steps

1. Cast Jace by paying
2. Jace enters the battlefield with five loyalty counters due to Oath of Gideon and Lae'zel
3. Activate Jace's third loyalty ability by removing five loyalty counters from it
4. Jace dies as a state-based action due to having zero loyalty
5. Resolve the Jace ability, creating two non-legendary copies of Jace, which enter with five loyalty counters each due to Oath of Gideon and Lae'zel
6. Repeat from step 3 using a Jace token
7. Once you have infinite Jace tokens, you may activate their second loyalty abilities by removing two loyalty counters from them, creating infinite 2/2 Illusion creature tokens

Results

• Infinite creature tokens
• Infinite ETB
• Infinite Jace, Cunning Castaway tokens