Sword of Hearth and Home
Equipped creature gets +2/+2 and has protection from green and from white.
Whenever equipped creature deals combat damage to a player, exile up to one target creature you own, then search your library for a basic land card. Put both cards onto the battlefield under your control, then shuffle.
Equip 
Illustrated by Chris Rahn
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If you choose a target creature you own and that creature isn't a legal target as the triggered ability tries to resolve, that ability won't resolve and none of its effects will happen. You won't search for a basic land card.
As Sword of Hearth and Home's second ability resolves, the land and the creature will enter the battlefield at the same time.
If the creature you own is a token, it won't return to the battlefield. It will stay in exile and cease to exist after the ability finishes resolving.
