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Karn, the Great Creator | Doubling Cube | Umbral Mantle
Color Identity: C
Cards
Karn, the Great Creator
Doubling Cube
Umbral Mantle
Prerequisites
All permanents on the battlefield.
Doubling Cube
does not have summoning sickness.
({10} magic symbol)
available.
Steps
Activate
Karn
's first loyalty ability by putting a loyalty counter on it, causing
Doubling Cube
to become an artifact creature until end of turn.
Activate
Umbral Mantle
's equip ability by paying
({0} magic symbol)
, attaching it to
Doubling Cube
.
Float at least
({10} magic symbol)
in your mana pool.
Activate
Doubling Cube
by paying
({3} magic symbol)
and tapping it, adding at least
({7} magic symbol)
.
Activate
Doubling Cube
by paying
({3} magic symbol)
and untapping it, giving it +2/+2 until end of turn.
Repeat from step 4.
Results
Infinitely large
Doubling Cube
until end of turn.
Infinite mana permanents you control can produce.
Metadata
In 57 decks according to EDHREC.