mtg commander artifact deck Aetherdrift (4) – The Guardtower Osgir seems like a crazy

Sacrifice after IV.) I - Sonic Wings - Each opponent chooses a creature with the greatest mana value among creatures they control

(If they're equipped to the same creature, the abilities of the equipped creature will also trigger three times.) An ability of the equipped creature that triggers when a card is put into a graveyard "from anywhere" triggers twice only if (a) a creature card was put into a graveyard from the battlefield and (b) The Masamune is still on the battlefield and attached to the creature with the relevant ability

No player will lose or gain life

Because it provides both recursion and board growth, Smile at Death allows grindy decks to recover effortlessly after board wipes and keep pressure on opponents throughout long games

Now, on to the life side gain part of the card, which tends to trip up new players