Grenzo, Dungeon Warden + Reito Sentinel Combos

4 known combos featuring both cards in Commander

Infinite creature tokens Infinite death triggers Infinite ETB Infinite LTB Infinite sacrifice triggers

Combo 1 with Threefold Thunderhulk + Ashnod's Altar

Results: Infinite colorless mana · Infinite creature tokens · Infinite death triggers · Infinite ETB · Infinite LTB · Infinite sacrifice triggers
Steps
  1. Activate Reito Sentinel by paying {3}, putting Threefold Thunderhulk on the bottom of your library from your graveyard.
  2. Activate Grenzo by paying {2}, putting Threefold Thunderhulk into your graveyard from the bottom of your library, and then putting it onto the battlefield.
  3. When Threefold Thunderhulk enters the battlefield, it triggers, creating three 1/1 Gnome artifact creature tokens.
  4. Activate Ashnod's Altar three times by sacrificing Threefold Thunderhulk and two Gnomes, adding six {C}.
  5. Repeat.

Combo 2 with Threefold Thunderhulk + Krark-Clan Ironworks

Results: Infinite colorless mana · Infinite creature tokens · Infinite death triggers · Infinite ETB · Infinite LTB · Infinite sacrifice triggers
Show steps
  1. Activate Reito Sentinel by paying {3}, putting Threefold Thunderhulk on the bottom of your library from your graveyard.
  2. Activate Grenzo by paying {2}, putting Threefold Thunderhulk into your graveyard from the bottom of your library, and then putting it onto the battlefield.
  3. When Threefold Thunderhulk enters the battlefield, it triggers, creating three 1/1 Gnome artifact creature tokens.
  4. Activate Krark-Clan Ironworks three times by sacrificing Threefold Thunderhulk and two Gnomes, adding six {C}.
  5. Repeat.

Combo 3 with Illuminor Szeras + Threefold Thunderhulk + Clock of Omens

Results: Infinite black mana · Infinite creature tokens · Infinite death triggers · Infinite ETB · Infinite LTB · Infinite mana artifacts you control can produce · Infinite sacrifice triggers · Infinite untap of artifacts you control
Show steps
  1. Activate Illuminor Szeras by tapping it and sacrificing Threefold Thunderhulk, adding seven {B}.
  2. Activate Reito Sentinel by paying {3}, putting Threefold Thunderhulk on the bottom of your library.
  3. Activate Grenzo by paying {2}, putting Threefold Thunderhulk from the bottom of your library into your graveyard, then putting it onto the battlefield.
  4. When Threefold Thunderhulk enters the battlefield, it triggers, creating three 1/1 Gnome artifact creature tokens.
  5. Activate Clock of Omens by tapping Threefold Thunderhulk and a Gnome token, untapping Illuminor Szeras.
  6. Repeat.

Combo 4 with Illuminor Szeras + Myr Battlesphere + Clock of Omens

Results: Infinite black mana · Infinite creature tokens · Infinite death triggers · Infinite ETB · Infinite LTB · Infinite mana artifacts you control can produce · Infinite sacrifice triggers · Infinite untap of artifacts you control
Show steps
  1. Activate Illuminor Szeras by tapping it and sacrificing Myr Battlesphere, adding seven {B}.
  2. Activate Reito Sentinel by paying {3}, putting Myr Battlesphere on the bottom of your library.
  3. Activate Grenzo by paying {2}, putting Myr Battlesphere from the bottom of your library into your graveyard, then putting it onto the battlefield.
  4. When Myr Battlesphere enters the battlefield, it triggers, creating four 1/1 Myr artifact creature tokens.
  5. Activate Clock of Omens by tapping Myr Battlesphere and a Myr token, untapping Illuminor Szeras.
  6. Repeat.
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