Carth the Lion + Wrenn and Realmbreaker + Lotus Petal + Oath of Teferi

Prerequisites

• Wrenn and Realmbreaker has at least four loyalty counters on it.

Steps

1. 1Activate Wrenn and Realmbreaker's first loyalty ability by putting two loyalty counters on it, causing a land you control to become a 3/3 Elemental in addition to its other types.
2. 2Activate Wrenn and Realmbreaker's third loyalty ability by removing six loyalty counters from it, causing you to get an emblem.
3. 3Cast Lotus Petal from your graveyard by paying .
4. 4Activate Lotus Petal by tapping and sacrificing it, adding one mana of any color.
5. 5Repeat from step 3.

Effects

• Cast all permanent cards in your graveyard
• Infinite colored mana
• Infinite storm count