Brass's Bounty + Dualcaster Mage Combos

4 known combos featuring both cards in Commander

Infinite colored mana Infinite ETB Infinite LTB Infinite magecraft triggers Infinite Treasure tokens

Combo 1 with Deadeye Navigator

Also requires:

Results: Infinite blinking · Infinite colored mana · Infinite ETB · Infinite LTB · Infinite magecraft triggers · Infinite Treasure tokens

Steps

Cast Brass's Bounty by paying {6}{R}.
Holding priority, activate Dualcaster Mage by paying {1}{U}, blinking itself.
Dualcaster Mage enters the battlefield, triggering itself and Deadeye Navigator's soulbond ability.
Resolve the Deadeye Navigator trigger, repairing it and Dualcaster Mage.
Resolve the Dualcaster Mage trigger, copying Brass's Bounty.
Resolve the copy of Brass's Bounty, creating at least three Treasure tokens.
Activate two Treasure tokens by tapping and sacrificing them, adding {1}{U}.
Repeat from step 2.

49 decks Colorless View on Commander Spellbook →

Combo 2 with Extus, Oriq Overlord // Awaken the Blood Avatar + Ashnod's Altar

Also requires:

Extus, Oriq Overlord // Awaken the Blood Avatar

Ashnod's Altar

Results: Infinite colored mana · Infinite colorless mana · Infinite death triggers · Infinite ETB · Infinite LTB · Infinite magecraft triggers · Infinite sacrifice triggers · Infinite storm count · Infinite Treasure tokens

Show steps

Cast Brass's Bounty by paying {6}{R}.
Extus triggers, returning either Dualcaster Mage or any other nonlegendary creature card from your graveyard to your hand.
Holding priority, cast Dualcaster Mage by paying {1}{R}{R}.
Dualcaster Mage enters the battlefield, targeting Brass's Bounty.
Activate Ashnod's Altar by sacrificing Dualcaster Mage, adding {C}{C}.
Resolve the Dualcaster Mage trigger, creating a copy of Brass's Bounty.
Extus triggers, returning Dualcaster Mage from your graveyard to your hand.
Resolve the copy of Brass's Bounty, creating a Treasure token for each land you control.
Activate two Treasure tokens by tapping and sacrificing them, adding {R}{R}.
Repeat from step 3.

7 decks Colorless View on Commander Spellbook →

Combo 3 with Extus, Oriq Overlord // Awaken the Blood Avatar + Phyrexian Altar

Also requires:

Extus, Oriq Overlord // Awaken the Blood Avatar

Phyrexian Altar

Results: Infinite colored mana · Infinite death triggers · Infinite ETB · Infinite LTB · Infinite magecraft triggers · Infinite sacrifice triggers · Infinite storm count · Infinite Treasure tokens

Show steps

Cast Brass's Bounty by paying {6}{R}.
Extus triggers, returning either Dualcaster Mage or any other nonlegendary creature card from your graveyard to your hand.
Holding priority, cast Dualcaster Mage by paying {1}{R}{R}.
Dualcaster Mage enters the battlefield, targeting Brass's Bounty.
Activate Phyrexian Altar by sacrificing Dualcaster Mage, adding {R}.
Resolve the Dualcaster Mage trigger, creating a copy of Brass's Bounty.
Extus triggers, returning Dualcaster Mage from your graveyard to your hand.
Resolve the copy of Brass's Bounty, creating a Treasure token for each land you control.
Activate two Treasure tokens by tapping and sacrificing them, adding {1}{R}.
Repeat from step 3.