"Water the soil with blood, if you must
(10/1/2007) Although this ability triggers when the Incarnation is put into a graveyard from the battlefield, it doesn't *specifically* trigger on leaving the battlefield, so it doesn't behave like other leaves-the-battlefield abilities
Wizards of the Coast took a technique used in its Japanese trading card game Duel Masters and printed text on both sides of the card to represent people transforming into monsters and back again (something that happens alarmingly regularly in Innistrad)
Apart from that however, the card seems not good enough for Modern now, even if I can see some uses in a storm/spells matters deck
The new Mulan, Disguised Soldier, even makes way for Mulan, Reflecting to fit its way into the deck it was made for, five sets after it was introduced in Rise of the Floodborn
Just make sure that the card you're interested in is legitimate before you buy it