Persirai

Enchant creature
Logic Bomb—{r}, Sacrifice an attacking creature.
(You may cast this face down for {3} as an Aura spell
with enchant creature. Turn it face up any time for its
logic bomb cost)
When Persirai is turned face up, put three 1/1 colourless Malware creature tokens with haste
onto the battlefield tapped and attacking.
Enchanted creature attacks each turn if able.