Seedcradle Witch + Faeburrow Elder + Scuttlemutt

Produces: Infinite black mana, Infinite blue mana, Infinitely large creature until end of turn, Infinite red mana, Infinite mana of colors among permanents you control

Multicolore

Seedcradle Witch
Faeburrow Elder
Scuttlemutt

Color identity: GW

Prerequisites

Scuttlemutt and Faeburrow Elder do not have summoning sickness.

Steps

Activate Scuttlemutt's second ability by tapping it, making any creature you control all colors until end of turn.
Activate Faeburrow Elder by tapping it, adding {W}{U}{B}{R}{G}.
Activate Seedcradle Witch by paying {2}{W}{G}, giving Faeburrow Elder +3/+3 until end of turn and untapping it.
Repeat from step 2.

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