Kalis, Onean Scholar

When Kalis, Onean Scholar enters the battlefield, create two 1/1 blue Merfolk creature tokens with hexproof.
{u}{w}, Exile Kalis, Onean Scholar: Until the end of turn, Merfolk creatures you control gain indestructible and get +X/+0, where X is Kalis, Onean Scholar's power.
Ancestral knowledge holds immeasurable power, leaned upon force of will and self-sacrifice.