None keeps a deck in Bracket 1 or 2. One to three make it Bracket 3, and four or more make it Bracket 4.

A combo raises the deck to its own bracket. A fast two-card infinite is Bracket 4.

• Priest of Titania + Staff of Domination Bracket 3
  • 
  • 
  • ∞Infinitecard draw
  • ∞Infinitedraw triggers
  • ∞Infinitelifegain
  • ∞Infinitelifegain triggers
  • ∞Infiniteuntap of creatures you control
  • ∞Infinitemana creatures you control can produce
  • ∞Infinitegreen mana
  Steps on Commander Spellbook
• Elvish Archdruid + Staff of Domination Bracket 3
  • 
  • 
  • ∞Infinitecard draw
  • ∞Infinitedraw triggers
  • ∞Infinitelifegain
  • ∞Infinitelifegain triggers
  • ∞Infiniteuntap of creatures you control
  • ∞Infinitemana creatures you control can produce
  • ∞Infinitegreen mana
  Steps on Commander Spellbook
• Marwyn, the Nurturer + Staff of Domination Bracket 3
  • 
  • 
  • ∞Infinitecard draw
  • ∞Infinitedraw triggers
  • ∞Infinitelifegain
  • ∞Infinitelifegain triggers
  • ∞Infinitemana creatures you control can produce
  • ∞Infiniteuntap of creatures you control
  • ∞Infinitegreen mana
  Steps on Commander Spellbook
• Circle of Dreams Druid + Staff of Domination Bracket 3
  • 
  • 
  • ∞Infinitecard draw
  • ∞Infinitedraw triggers
  • ∞Infinitelifegain
  • ∞Infinitelifegain triggers
  • ∞Infinitemana creatures you control can produce
  • ∞Infiniteuntap of creatures you control
  • ∞Infinitegreen mana
  Steps on Commander Spellbook
• Staff of Domination + Wirewood Channeler Bracket 3
  • 
  • 
  • ∞Infinitecard draw
  • ∞Infinitecolored mana
  • ∞Infinitedraw triggers
  • ∞Infinitelifegain
  • ∞Infinitelifegain triggers
  • ∞Infinitemana creatures you control can produce
  • ∞Infiniteuntap of creatures you control
  Steps on Commander Spellbook

Any rules out Bracket 1. Brackets 2 and 3 allow a few, never chained or looped; Icarian counts three or more as Bracket 3.

Any at all makes it Bracket 4. Brackets 1 to 3 don't allow it.