The former simply doubles the mana generation of your basics when casting X spells (at the cost of colorless mana), letting you punch way above your usual station in a game
Heres how I keep my cards in top shape: Always use acid-free sleeves to prevent yellowing
Unfortunately there isnt much typal support because there are very few hippo cards
(You and planeswalkers you control can't be targeted, dealt damage, or enchanted by anything controlled by that player.) When this creature enters, if you cast it, target opponent takes an extra turn after this one
While you might think that being forced to play only Humans would be a significant downside, it turns out there are so many cheap, powerful Humans in the game that Humans was a tier-one Modern deck for a couple of years prior to Modern Horizons
Once you do, Don Andres gets you more Treasure to play more spells, and so it goes