Frantic Search, Underworld Breach, and Bonus Round

Prerequisites

• Frantic Search in hand or in the graveyard
• Underworld Breach on the battlefield
• Bonus Round in hand or in the graveyard
• undefined at most available

Steps

1. Cast Bonus Round either from your hand by paying or from your graveyard for its escape cost by paying and exiling three other cards from your graveyard, ensuring not to exile Frantic Search if its in your graveyard, causing any instant or sorcery cast this turn to be copied
2. Activate up to three lands by tapping them, adding at least
3. Cast Frantic Search either from your hand by paying , or from your graveyard for its escape cost by paying and exiling three other cards from your graveyard
4. Bonus Round triggers, copying Frantic Search
5. Resolve the copy of Frantic Search, causing you to loot twice and untap up to three lands
6. Holding priority, activate up to three lands by tapping them, adding at least
7. Resolve the original Frantic Search, causing you to loot twice and untap up to three lands
8. Repeat from step 2

Results

• Infinite draw triggers
• Infinite looting
• Infinite self-discard triggers
• Near-infinite magecraft triggers
• Near-infinite mana lands you control can produce
• Near-infinite untap of lands you control