leylines
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Pumps itself (mana sink)

An activated ability that gives the card itself +X/+X, +X/+0 or similar until end of turn: firebreathing, Shades, any "{cost}: this creature gets +1/+1". Also called a mana sink. A pump for your team (Overrun) or for another creature (Giant Growth) is not this.

Cards that do this

The 100 most played of 502.