Cards like Exploration can help you ramp up your mana quickly, giving you more resources to work with each turn
Farseek Incredible ramp Farseek reads: Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle. That means you can put one of your Shock lands - like those above - into play using this spell, which is amazing
It can return creatures from the graveyard to their owners hand whenever a creature dies, provided its owner pays 3 life
2022-12-08 If you cast a card "without paying its mana cost," you can't choose to cast it for any alternative costs
SAKASHIMAS STUDENT The undisputed #1 on the Ninjas in need of reprints list, Sakashimas Student also manages to crack the Top 5 of this one
Sacrificing an artifact doesnt mean too much, especially since you usually use that artifact to cast this spell