Rienne, Angel of Rebirth
Legendary Creature — Angel
Flying
Other multicolored creatures you control get +1/+0.
Whenever another multicolored creature you control dies, return it to its owner's hand at the beginning of the next end step.
Kieran Yanner
Core Set 2020 (M20)
• #281Rulings
If Rienne dies at the same time as one or more other multicolored creatures you control, its last ability triggers for each of those creatures.
(wotc • 2019-07-12)
If an effect causes a non-multicolored creature to become multicolored and that creature dies, the non-multicolored card will return to its owner's hand.
(wotc • 2019-07-12)
If a multicolored creature you control leaves the graveyard after it dies but before the delayed triggered ability resolves, it will not return to its owner's hand.
(wotc • 2019-07-12)
If Rienne leaves the battlefield after its ability has triggered but before the next end step, its delayed triggered ability will still return the card.
(wotc • 2019-07-12)
Rulings
If Rienne dies at the same time as one or more other multicolored creatures you control, its last ability triggers for each of those creatures.
(wotc • 2019-07-12)
If an effect causes a non-multicolored creature to become multicolored and that creature dies, the non-multicolored card will return to its owner's hand.
(wotc • 2019-07-12)
If a multicolored creature you control leaves the graveyard after it dies but before the delayed triggered ability resolves, it will not return to its owner's hand.
(wotc • 2019-07-12)
If Rienne leaves the battlefield after its ability has triggered but before the next end step, its delayed triggered ability will still return the card.
(wotc • 2019-07-12)