Aksis, Archon-Prime

Prowess for artifacts.
When Aksis, Archon-Prime enters the battlefield, create three SIVA cell artifact tokens.
{u/r}{u/r} sacrifice an artifact: choose one
•Deal 4 damage to target creature or planeswalker.
•Create two 2/1 Fallen Splicer artifact creature
tokens with "when this creature dies, draw a card,
then discard a card".
•Each opponent discards a card.