Idris, Soul of the TARDIS + Basalt Monolith + Heartstone

medium3 cards

CommanderLegacyVintage

Result

Infinite colorless mana

Activate Idris using Basalt Monolith's first ability by tapping it, adding .

Activate Idris using Basalt Monolith's second ability by paying , untapping it.

Repeat.

Component Cards

Idris, Soul of the TARDIS

$0.25

Basalt Monolith

$4.50

Heartstone

$2.33

Activate Idris using Basalt Monolith's first ability by tapping it, adding .

Activate Idris using Basalt Monolith's second ability by paying , untapping it.

Repeat.