Brimstone Roundup
Whenever you cast your second spell each turn, create a 1/1 red Mercenary creature token with "
: Target creature you control gets +1/+0 until end of turn. Activate only as a sorcery."
Plot 
(You may pay and exile this card from your hand. Cast it as a sorcery on a later turn without paying its mana cost. Plot only as a sorcery.)
Illustrated by Milivoj Ćeran
This printing
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Spells that were cast before Brimstone Roundup entered the battlefield count. If Brimstone Roundup was the first spell you cast this turn, the next spell you cast this turn is your second spell.
Plot abilities are written “Plot [cost],” which means “Any time you have priority during your main phase while the stack is empty, you may pay [cost] and exile this card from your hand. It becomes plotted.”
Exiling a card using its plot ability is a special action. Once you announce you’re taking that action, no other player can respond by trying to remove that card from your hand.
If a plotted card has
in its mana cost, you must choose 0 as the value of X when casting it without paying its mana cost.If you’re casting a plotted card from exile without paying its mana cost, you can’t choose to cast it for any other alternative costs. You can, however, pay additional costs, such as kicker costs. If the plotted card has any mandatory additional costs, those must still be paid to cast the spell.
You can’t cast a plotted card on the same turn it became plotted. On any future turn, you may cast that card from exile without paying its mana cost during your main phase while the stack is empty.
