Replication Specialist
Guardians of Koilos
Dross Scorpion
Dutiful Replicator
Krark-Clan Ironworks
Prerequisites
What do I need to start this combo?
| Guardians of Koilos and Dutiful Replicator in hand. | |
| All other permanents on the battlefield. | |
| You control a mana-producing artifact that can tap to produce at least . | |
 available |
Steps
How does this combo work?
1 | Cast Guardians of Koilos by paying  . |
2 | When Guardians of Koilos enters the battlefield, it and Replication Specialist trigger. |
3 | Resolve the Replication Specialist trigger, causing you to pay  to create a token copy of Guardians of Koilos. |
4 | When the token Guardians of Koilos enters the battlefield, it triggers. |
5 | Resolve both Guardians of Koilos triggers, choosing to return nothing to your hand from the battlefield. |
6 | Cast Dutiful Replicator by paying  . |
7 | When Dutiful Replicator enters the battlefield, it and Replication Specialist trigger. |
8 | Holding priority, activate a mana-producing artifact by tapping it, adding at least . |
9 | Resolve the Replication Specialist trigger, causing you to pay to create a token copy of Dutiful Replicator. |
10 | When the token Dutiful Replicator enters the battlefield, it triggers, causing you to pay to create a token copy of the Guardians of Koilos token. |
11 | When the Guardians of Koilos token enters the battlefield, it triggers, choose to return nothing to your hand from the battlefield. |
12 | Activate Krark-Clan Ironworks by sacrificing the Dutiful Replicator token and the Guardians of Koilos token, adding . |
13 | When the tokens die, Dross Scorpion triggers twice. |
14 | Resolve the first trigger, untapping the mana-producing artifact. |
15 | Activate the artifact by tapping it, adding at least . |
16 | Repeat steps 14 and 15 one additional time. |
17 | Resolve the nontoken Dutiful Replicator trigger from step 7, causing you to pay to create a token copy of Guardians of Koilos. |
18 | When the Guardians of Koilos token enters the battlefield, it triggers, returning the nontoken Dutiful Replicator from the battlefield to your hand. |
19 | Activate Krark-Clan Ironworks by sacrificing the Guardians of Koilos token, adding . |
20 | When the token dies, Dross Scorpion triggers, untapping the mana-producing artifact. |
21 | Repeat from step 6. |
22 | Once you have infinite blue and/or colorless mana, you may forego sacrificing the creature tokens. |
Results
What do I get from this combo?
| Infinite blue mana | |
| Infinite colorless mana | |
| Infinite creature tokens | |
| Infinite death triggers | |
| Infinite ETB | |
| Infinite LTB | |
| Infinite sacrifice triggers | |
| Infinite storm count |
Combo Metadata
1
DECKS
Rank 42958
MOST PLAYED OF 44136 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.