doubling season mtg similar cards it puts twice that many of those counters on that permanent instead. Magic the Gathering Doubling Season

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This plays right into the expend mechanic from the main set, which encourages you to spend at least 4 mana each turn

Kastral, the Windcrested is easily the best Commander around for Birds, providing board-wide buffs, casting or resurrecting for free, and even topping up your hand with cards when your Birds manage to deal damage to opponents

Bonus points if you already use cheap artifacts that arent doing much after they hit the board

Youll still want a nice bell curve of mana costs in your cards, but unless youre playing cEDH (competitive EDH, a hellscape where games end before youve even finished shuffling - fun, but in a horribly different way), you can have a bit more fun

If you don't cast a spell this way, investigate