Intruder Alarm
Altar of Dementia
Selvala, Heart of the Wilds
Sin, Unending Cataclysm
Prerequisites
What do I need to start this combo?
| Sin in hand or in the command zone. | |
| All other permanents on the battlefield (Selvala without summoning sickness on the battlefield). | |
| Sin must be your commander. | |
| There are at least X counters on artifacts, creatures and/or enchantments you control, where X is 3 plus the number of times you've cast Sin from the command zone this game. | |
 plus commander tax if applicable available |
Steps
How does this combo work?
1 | Cast Sin either from your hand or command zone by paying plus commander tax if applicable. |
2 | As Sin enters, remove all counters from all artifacts, enchantments and creatures you control, putting twice that many +1/+1 counters on Sin. |
3 | When Sin enters, Intruder Alarm triggers, untapping all creatures. |
4 | Activate Selvala by paying and tapping it, adding at least plus an additional  equal to Sin's power minus 3. |
5 | Activate Altar of Dementia by sacrificing Sin. |
6 | Choose to return Sin to the command zone from your graveyard. |
7 | When Sin dies, it triggers, putting its counters on Selvala. |
8 | Resolve the Altar of Dementia ability. |
9 | Repeat. |
Results
What do I get from this combo?
| Infinite creature LTB | |
| Infinite creature ETB | |
| Infinite colored mana | |
| Infinite creature sacrifice triggers | |
| Infinite death triggers | |
| Infinite mill | |
| Infinite self-mill | |
| Infinite storm count | |
| Infinite mana creatures you control can produce | |
| Infinite untap of creatures | |
| Infinite commander casts | |
| Infinite +1/+1 counters on a creature |
Combo Metadata
1
DECKS
0.00%
OF 1758346 ELIGIBLE DECKS
Rank 62565
MOST PLAYED OF 67846 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.