Fulgurite Electro-priests

Canticle (You may tap this creature. If you do, you
gain 1 counter of Maintenance, then trigger any
relevant Canticle effects. All counters of Maintenance
are sacrificed during the end step.)
Once you have 2 or more Maintenance counters, creatures you control gain first strike until end
turn.
{c}{c}{r}: Untap Fulgurite Electro-priests. It gets
+2/+1 until end turn.