MTG Combo: Dramatic Reversal + Isochron Scepter + Urza, Lord High Artificer

This combo generates infinite:

  • Mana
  • Cast triggers
  • Taps and untaps.

Provided that you have 3 other artifacts with urza.

Steps:

  1. Play Isochron Scepter and exile Dramatic Reversal.
  2. Tap any amount of nonland mana source(s) to produce 3 or more mana.
  3. Pay 2 of that mana to tap Isochron Scepter and cast the copy of Dramatic Reversal.
  4. When Dramatic Reversal is cast, untap Isochron Scepter and your nonland mana sources.
  5. Repeat steps 2 to 4.

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