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Nylea's Colossus

Card Name

Nylea's Colossus

Mana Cost

6

Type

Enchantment Creature – Giant

Rarity

Rare

rules Text

Constellation — Whenever Nylea's Colossus or another enchantment enters the battlefield under your control, double target creature's power and toughness until end of turn.

Flavor Text

"Those who seek my protection receive it." —Nylea, god of the hunt

Legal Formats

Commander, Legacy, Vintage

Not Legal Formats

Alchemy, Brawl, Explorer, Historic, Modern, Pauper, Pioneer, Standard

Rulings

(7/13/2018)
If an effect instructs you to "double" a creature's power, that creature gets +X/+0, where X is its power as that effect begins to apply. Toughness is doubled similarly.
(7/13/2018)
If a creature's power is less than 0 when it's doubled, instead that creature gets -X/-0, where X is how much less than 0 its power is. For example, if an effect has given Nylea's Colossus -8/-0 so that it's a -2/6 creature, doubling its power and toughness gives it -2/+6, and it will become a -4/12 until end of turn.