Harbor Guardian 
Synergy is a rough depiction of how well and uniquely a card pairs with a commander. Read more on the About page.
| # | Card | Synergy |
|---|---|---|
| 1 | Rhystic Deluge | 1.0 |
| 2 | Rune of Protection: Black | 0.99 |
| 2 | Rune of Protection: Green | 0.99 |
| 2 | Rune of Protection: Blue | 0.99 |
| 2 | Rune of Protection: Red | 0.99 |
| 2 | Rune of Protection: White | 0.99 |
| 7 | Flood | 0.98 |
| 8 | Righteous Aura | 0.96 |
| 9 | Keep Safe | 0.92 |
| 10 | Remote Isle | 0.88 |
| 11 | Drifting Meadow | 0.86 |
| 12 | Deprive | 0.85 |
| 13 | Fellwar Stone | 0.82 |
| 14 | Sky Diamond | 0.8 |
| 15 | Marble Diamond | 0.79 |
| 16 | Idyllic Beachfront | 0.72 |
| 17 | Lonely Sandbar | 0.68 |
| 18 | Secluded Steppe | 0.67 |
| 19 | Razortide Bridge | 0.66 |
| 20 | Stall for Time | 0.65 |
| 20 | Empyrial Armor | 0.65 |
| 20 | Vanishing | 0.65 |
| 23 | Saprazzan Skerry | 0.64 |
| 23 | Remote Farm | 0.64 |
| 25 | Decanter of Endless Water | 0.61 |