Sunstrike, Voyager of Worlds

Whenever Sunny, Voyager of Worlds enters the battlefield or attacks gain 4 life
{2}{w}{b}: Exile Sunny, Voyager of Worlds search
your library for a land and place it into your
hand on your end step return Sunny, Voyager of Worlds to the battlefield
{1}{w}{b}: as an additional cost for this ability pay
10 life, search your library for target permanent
and place it into your hand