Mystery Booster 2

Nalathni Dragon

Flying; banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)
{R}: Nalathni Dragon gets +1/+0 until end of turn. If this ability has been activated four or more times this turn, sacrifice Nalathni Dragon at the beginning of the next end step.

These small but intelligent Dragons and their Olesian allies held back the tide of Pashalik Mons's hordes of Goblin Raiders.
*DragonCon 1994*

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Dragon Con

Flying, banding
{R}: Nalathni Dragon gets +1/+0 until end of turn. If this ability is played four or more times during this turn, sacrifice Nalathni Dragon at end of turn.