Halo Fountain
Intruder Alarm
Karn, the Great Creator

  Played with this combo

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
Halo Fountain does not have summoning sickness. You control a creature that can tap to produce at least .

   Steps

How does this combo work?
1
Activate Karn's first loyalty ability by putting a loyalty counter on it, causing Halo Fountain to become an artifact creature until end of turn.
2
Activate a creature you control by tapping it, adding .
3
Activate Halo Fountain's first ability by paying , tapping and untapping it, creating a 1/1 Citizen creature token.
4
When the Citizen enters the battlefield, Intruder Alarm triggers, untapping all creatures.
5
Repeat from step 2.

   Results

What do I get from this combo?
Infinite creature tokens
Infinite ETB
Infinite mana creatures you control can produce
Infinite untap of creatures

  Combo Metadata

33
DECKS
0.00%
OF 1887698 ELIGIBLE DECKS
Rank 18266
MOST PLAYED OF 48710 COMBOS

{ }  Commander Bracket Information

In which Commander Bracket(s) am I allowed to play this combo?
1-2

Exhibition and Core

(no 2-card combos)
Any combos that require three or more cards are allowed
3

Upgraded

(no early game 2-card combos)
Any combos that require 3 or more cards are allowed
4-5

Optimized and CEDH

(all combos are allowed)
All combos are allowed.
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