Plan A for the deck is to amass a legion of Goblin creatures and give them combat-oriented buffs such as haste, menace, and power/toughness boosts to overwhelm any opponent who isn't ready for such an assault
Estrid, the Masked Estrid, the Masked requires a very specific deck to work, and its not that powerful even then
This is especially important at larger scale events where matches are best-of-three and you're often playing eight or nine rounds of Swiss to begin with
For more tribal deep-dives, see our dragon deck guide, fairy deck guide, and the full MTG tribes overview
Next time, the spotlight continues with the main set of this expansion.
5 Through The Breach Bring The Eldrazi Through Through the Breach is the perfect way to cheat out a large creature, and giving it haste lets you take advantage of any effect it might have when it attacks