マイコシンスの水源

マイコシンスの水源が戦場に出たか戦場から墓地に置かれたとき、あなたは「あなたのライブラリーから基本土地・カード１枚を探し、それを公開してあなたの手札に加え、その後あなたのライブラリーを切り直す。」を選んでもよい。

Mycosynth Wellspring

When this artifact enters or is put into a graveyard from the battlefield, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.

The mycosynth created the groove. The groove created the party.

Secret Lair Drop

The Brothers' War Commander

When Mycosynth Wellspring enters the battlefield or is put into a graveyard from the battlefield, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Commander 2021

Commander Anthology Volume II

When Mycosynth Wellspring enters the battlefield or is put into a graveyard from the battlefield, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle your library.

The ability will trigger when Mycosynth Wellspring is put into a graveyard from the battlefield, even if the ability that triggered when it entered hasn't resolved yet.