Cast Metallic Sliver by paying {0}.
When Metallic Sliver enters, it triggers, dealing 1 damage to target player or planeswalker and causing you to gain 2 life due to its ability and lifelink.
Activate Metallic Sliver by paying 2 life, returning it from the battlefield to your hand.
Repeat.

Infinite creature LTB

Infinite creature ETB

Infinite damage

Infinite lifegain triggers

Infinite storm count

Metallic Sliver

Lavabelly Sliver

Hibernation Sliver

Syphon Sliver

Herald's Horn

Cast Metallic Sliver by paying {0}.
Metallic Sliver enters the battlefield, dealing 1 damage to target player or planeswalker and causing you to gain 1 life.
Essence Sliver triggers, causing you to gain 1 life.
Activate Metallic Sliver by paying 2 life, returning it from the battlefield to your hand.
Repeat.

Essence Sliver

Urza's Incubator

Sacrifice Metallic Sliver to its ability, adding {B}{B}.
Enduring Renewal triggers, returning Metallic Sliver from your graveyard to your hand.
Cast Metallic Sliver.
Repeat.

Infinite black mana

Infinite death triggers

Infinite creature sacrifice triggers

Basal Sliver

Enduring Renewal

Activate Ashnod's Altar by sacrificing Metallic Sliver, adding {C}{C}.
Metallic Sliver is put on top of your library instead of your graveyard due to its ability granted by Pulmonic Sliver.
Cast Metallic Sliver from the top of your library by paying {1}.
Repeat.

Combos with "Metallic Sliver"