Ipnu Rivulet
Land — Desert
: Add 
.
, Pay 1 life: Add 
.
, , Sacrifice a Desert: Target player puts the top four cards of their library into their graveyard.
イラスト：
Hour of Devastation#180アンコモン英語適正
裁定
2017年4月18日
Desert is a land subtype with no special meaning. It doesn’t grant the land an intrinsic mana ability. Other cards may care about which lands are Deserts.
2017年7月14日
If a Desert has an ability with a cost of “Sacrifice a Desert,” you can sacrifice that Desert to pay the cost for its own ability.