Dualcaster Mage + Thunderous Debut + Mortuary + Ashnod's Altar

Prerequisites

• You control at least one additional artifact, enchantment and/or token.

Steps

1. 1Cast Thunderous Debut by paying and sacrificing an artifact, enchantment or token.
2. 2Holding priority, cast Dualcaster Mage by paying .
3. 3When Dualcaster Mage enters the battlefield, it triggers, copying Thunderous Debut.
4. 4Activate Ashnod's Altar by sacrificing Dualcaster Mage, adding .
5. 5When Dualcaster Mage dies, Mortuary triggers, putting Dualcaster Mage on top of your library from your graveyard.
6. 6Resolve the copy of Thunderous Debut, causing you to look at the top twenty cards of your library and put Dualcaster Mage and up to one other creature card onto the battlefield.
7. 7Repeat from step 3.

Effects

• Infinite colorless mana
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite magecraft triggers
• Put all creature cards from your library onto the battlefield