Removal ETBs are a good consideration, as are backup abilities like Conclave Sledge-Captain
Part of what makes Leyline Binding so good is that with Flash, you can hold mana open on your turn to sit back and watch your opponents make whatever plays they want
Especially when you consider these two cards are most likely just the beginning of previewed Goblins
As a reminder, the five options are: Latin R/G Raging Kavu (Invasion Prerelease promo) Classical Greek G/W/U Questing Phelddagrif (Planeshift Prerelease promo) Sanskrit G/U/B Fungal Shambler (Apocalypse Prerelease promo) Arabic mono-G Stone-Tongue Basilisk (Odyssey Prerelease promo) Hebrew mono-W Glory (Judgment Prerelease promo) Some of you are looking at the Oracle text for those cards and thinking, Balance issues! Guess what
It is a constructed format, so you build a 60-card deck and in Best of Three matches, you also use a sideboard
Token Creature Saproling Common Joseph Meehan 1/1 NOT LEGAL Standard NOT LEGAL Future NOT LEGAL Historic NOT LEGAL Timeless NOT LEGAL Gladiator NOT LEGAL Pioneer NOT LEGAL Explorer NOT LEGAL Modern NOT LEGAL Legacy NOT LEGAL Pauper NOT LEGAL Vintage NOT LEGAL Penny NOT LEGAL Commander NOT LEGAL Oathbreaker NOT LEGAL Standardbrawl NOT LEGAL Brawl NOT LEGAL Alchemy NOT LEGAL Pauper Commander NOT LEGAL Duel NOT LEGAL Oldschool NOT LEGAL Premodern NOT LEGAL Predh