Generally, as long as you sequence your Tireless Tracker before a land, you should at least get some value out of it
Most decks can answer them in some form. This design philosophy becomes apparent on Barbflare Gremlin, a brand-new creature that appears in this deck, which combines the rules text from two older enchantments, Manabarbs and Mana Flare
3 Attack Phase You can attack your opponents active (defending) Pokmon with one of your active Pokmons attacks
Read the official preview from WotC and IGN.
If a preconstructed deck contained four copies of Outlaws of Thunder Junction 's Blooming Marsh and you only had copies from Kaladesh Remastered , you wouldn't get a discount
Felidar Sovereign is a better card for this job because it does something else as a 4/6 with vigilance and it requires less life for you to win, but if youre seeking consistency, maybe give this one a try