Lightning Dragon

Flying
Echo {2}{R}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
{R}: This creature gets +1/+0 until end of turn.

Vintage Masters

Flying
Echo {2}{R}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
{R}: Lightning Dragon gets +1/+0 until end of turn.

Magic Online Promos

Urza's Saga

Flying; echo (During your next upkeep after this permanent comes under your control, pay its casting cost or sacrifice it.)
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R Lightning Dragon gets +1/+0 until end of turn.