The second (invoked) Modera battlecry is EQUAL to Kazakus battlecry. Initial battlecry is the same Kazakus potion, but you can choose only it's cost and ONE effect. With fully upgraded battlecry you can choose it's cost and THREE effects and also cast a Greater Arcane Missiles.
Hero Power and deathrattle of a minion is cast an Arcane Missiles.
The second (invoked) Modera battlecry is EQUAL to Kazakus battlecry. Initial battlecry is the same Kazakus potion, but you can choose only it's cost and ONE effect. With fully upgraded battlecry you can choose it's cost and THREE effects and also cast a Greater Arcane Missiles.
Hero Power and deathrattle of a minion is cast an Arcane Missiles.