While the Mythical-type Rare Yawstrich might not be the most fetching in its insectoid-style appearance, its Rare-rarity characteristic is doubtless enough to motivate My Singing Monsters collectors to work towards breeding one. Depending on the Monster’s Happiness and Level, the Rare Yawstrich can produce anywhere from 9 Coins per minute to 246, with the maximum holding amount being 49,665 Coins.
If you are striving to maximize this creature’s Coin production, feeding it to increase its levels and placing it near items it likes is essential. Specifically, Rare Yawstrich is fond of normal Yawstriches, Inverdigus Ferns, Macho Monuments, Yucka Paths, and Elgnairt Paths. Remember that a Unity Tree removes the need for adjacent placement.
There are two ways to breed the Rare Yawstrich Monster in My Singing Monsters, depending on the island you are on. If you are on Air Island, the Egg combination is an Air-, Earth-, and Water-type Scups and an Earth-, Cold-, and Water-type T-Rox. This is the same combination as the standard Yawstrich variant.
Mythical Island is the second location where My Singing Monsters players can breed a Rare Yawstrich. Pairing a normal Mythical-type Yawstrich with a Dream-type Cataliszt has a small chance of producing a Rare Yawstrich Egg. However, if the odds are not in your favor, the result will be a Mythical- and Dream-type Sporerow. MSMPokeGamer goes on to state that using the Rare variants of Monsters in an attempt to acquire Rare Yawstrich will not have an effect on the RNG rates. In other words, grinding out Scups and T-Rox on Air Island or Yawstrich and Cataliszt on Mythical Island is your best bet. Otherwise, you can pay 500 premium Diamonds to unlock Rare Yawstrich in My Singing Monsters instantly.
To summarize, here is an index with information from the My Singing Monsters Wiki describing the combinations for breeding the Rare Yawstrich:
| Island | Breeding Combination | How to Obtain |
| Air | T-Rox + Scups |
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| Mystical | Cataliszt +Yawstrich |
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