Sam, Loyal Attendant + Exchange of Words + Tough Cookie + Soldevi Simulacrum

Prerequisites

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Steps

1. 1Cast Exchange of Words by paying .
2. 2When Exhcange of Words enters the battlefield, it triggers, switching the text boxes of Soldevi Simulacrum and Tough Cookie.
3. 3Activate Tough Cookie by paying , giving itself +1/+0 until end of turn.
4. 4Repeat step 3.

Effects

• Infinitely powerful creature until end of turn