Case of the Shattered Pact - 2

Enchantment - Case (Uncommon)

When this Case enters the battlefield, search your library for a basic land card, reveal it, put it into your hand, then shuffle.

To solve - There are five colors among permanents you control. (If unsolved, solve at the beginning of your end step.)

Solved - At the beginning of combat on your turn, target creature you control gains flying, double strike, and vigilance until end of turn.