Rex, Cyber-Hound + Pili-Pala + Lys Alana Dignitary

Prerequisites

• There's an Elf card in your graveyard.

Steps

1. 1Activate Rex using Lys Alana Dignitary's ability by tapping it, adding
2. 2Activate Rex using Pili-Pala's ability by paying and untapping it, adding one mana of any color.
3. 3Repeat.

Effects

• Infinite colored mana