The mana advantage, more often than not, outweighs the downside, especially when paired with cards like Lotus Petal that can tap for colored mana
If that sounds complicated, it doesnt need to be because all you need to know is that you will type in a card, select as many copies as you want to send in and then mail them to TCGplayer and TCGplayer will take care of the rest
Furthermore, it makes interaction difficult for opponents because they have to sacrifice a Food to target it, meaning that any creature or actual Food tokens must be used - but this also buffs Ygra before the interaction spell resolves, as the effect goes first on the stack
Characters are further broken down into three varieties of glimmers
Mimic's more limited than the average clone since it can only copy your own creatures, but it costs a mana less than most, and it plays well with Rogue payoffs
In Arena, the game is designed to move as quickly as possible and skip through the game's various turn phases if there is nothing you can do