Heres what I like to do when tuning my mana curve: First, I set all the lands aside so that all the cards left are creatures and spells
Structure Deck: Yugi Muto refits the Magnet Warriors into new Electromagnet Warriors that attract each other from the hand, Deck, and Graveyard, and combine into the mighty Beserkion the Electromagna Warrior
Nissa turns your ramp spells into a powerful two-for-one, adding mana and netting a creature card while youre at it
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Compare this to Azusa, Lost But Seeking - a green card with the same mana value that allows you to play two extra lands per turn with no catch - and you can see how different the red version of this ability is
This isn't a card you want but it is sometimes a card you need
