How can you create a combo with Sword of Feast and Famine, Sword of Hearth and Home, Ardent Elementalist, Waves of Aggression?
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[START OF COMBO]This combo can be formed with Sword of Feast and Famine, Sword of Hearth and Home, Ardent Elementalist, Waves of Aggression

Color identity: RW
Mana cost: 
Steps:
  1. Deal combat damage to an opponent using the creature with Sword of Hearth and Home attached.
  2. Sword of Hearth and Home and Sword of Feast and Famine trigger.
  3. Resolve the Sword of Hearth and Home trigger, blinking Ardent Elementalist and causing you to search your library for a basic land card and put it onto the battlefield.
  4. Ardent Elementalist enters the battlefield, returning Waves of Aggression from your graveyard to your hand.
  5. Resolve the Sword of Feast and Famine trigger, causing you to untap all lands you control, and causing the defending player to discard a card.
  6. Move to your postcombat main phase.
  7. Activate any number of lands you control by tapping them, adding at least {3}{R/W}{R/W}.
  8. Cast Waves of Aggression by paying {3}{R/W}{R/W}, causing you to untap all creatures that attacked this turn and to get an additional combat and main phase after this one.
  9.  Repeat.[END OF COMBO STEPS]

Result:
  - Infinite combat damage
  - Infinite combat phases
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite magecraft triggers
  - Infinite storm count
  - Infinite untap of lands you control
  - Near-infinite landfall triggers
  - Put all basic lands from your library onto the battlefield
  - Infinite mana lands you control can produce[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Sword of Feast and Famine must be on the battlefield
  - Sword of Hearth and Home must be on the battlefield
  - Ardent Elementalist must be on the battlefield
  - Waves of Aggression must be in the graveyard
  - Sword of Hearth and Home and Sword of Feast and Famine attached to any other creature without summoning sickness.
  - Lands you control can tap to produce at least {3}{R/W}{R/W}.
  - An opponent is unable to block and kill the creature with the Swords attached.
[END OF COMBO PREREQUISITES]
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