If you select an option that costs more than the orbs you have, the craft button is still clickable, but once you do, a message will appear saying you dont have enough currency
Whenever a creature enters the battlefield under your control, and no other creatures that share a type with it, you create a token thats a copy of that creature
Elspeth can come down in the mid-game since she costs five mana, either establishing a board presence with her first two abilities or destroying a problematic creature of your opponents, making her a control players dream planeswalker
Burn it all to the ground I say
First, you have numerous ways to be ahead on mana with cards like Eldrazi Temple, but also with cards like Mana Crypt and Sol Ring, reaching you closer to casting your Commander