Very strong going first with many negate options, but also reliable going second for pure survivability through negates.
Avoid normal summoning a Tri-Brigade when possible, special summon in defense as much as possible to use Reichheart's effect and draw a card. Use Tri Heart's effect last to fill your board with either attack boosters, graveyard fodder, or I:P Masquerena targets.
Ideally start with a Fraktal, Rescue Cat and Reichheart.
You can use Tenki to add Fraktal to hand and Rivalry for Reichheart.
Foolish burial is ideal for Zephros or Kitt, but can be used to put a Scareclaw in the grave for Arrival.
An ideal turn would go as follows:
Activate Fraktal, send Kitt to grave.
Activate Kitt, send Nerval to grave.
Activate Nerval, add Kerass to hand.
Activate Kerass, special summon in defense.
Normal summon and activate Rescue Cat, special summon two scareclaws in defense.
(Special summoning Kitt is better if you didn't have Fraktal).
Link Summon Light Heart, activate effect, add Primitive Planet to hand.
Activate Primitive Planet, add any Scareclaw to hand.
(Add Reichheart if needed, or Visas Starfrost if you want a Barrone)
Special summon Reichheart in defense, activate effect, add Arrival to hand, draw 1 card.
Link Summon Tri Heart.
Activate Kerass, special summon Double Dragon.
Link Summon Masquerena using Kerass and the other Scareclaw as material.
Activate Tri Heart and special summon a scareclaw from graveyard.
Add a different Scareclaw to hand.
(Make sure you haven't special summoned it earlier using its effect).
Special summon that Scareclaw from your hand.
(Keep their effects in mind, Acro boosts attack and can be stacked with multiple copies, Belone deals piercing damage, Astra allows multiple attacks).
End your turn, and control the field.
Tri Heart is immune to monster effects if they are in defense, which will be forced when Tri Heart is on the field.
Use Double Dragon to bounce a card back to the hand.
Masquerena can be used for Avramax, Unicorn, Etc.
Apollousa allows multiple monster negates, while Barrone offers an omni-negate.
Use Almiraj to put a normal summoned Kitt/Nerval in the grave if needed.
Use Barren Blossom to extend combo into Apollousa instead of Double Dragon.
Use Primitive Planet or Tenki as targets for Zephyros for extra link material.
Remember that all Scareclaws can special summon themselves adjacent to another Scareclaw, be careful of column blocking.
Always summon Light Heart and Tri Heart in the extra monster zone, otherwise you will not be able to activate their effects.
It can take a while to get used to, and it is not a cheap master duel deck because of all the SR and UR cards, but it is consistent and fun.
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