Ugana, Queen of the Lost Sea

Hexproof, islandwalk
When Ugana, Queen of the Deep enters the battlefield, search your library for X number of
blue dragons and put them onto the battlefield,
where X is the amount of Islands you control.
{t}, {u}{u}{u}{u}: Target blue dragon you control
gets a +2/+0 and gains islandwalk and hexproof
until end of turn.