Shiva & Ifrit

Equipped creature gets +2/+2 has double strike
and deals fire damage in the first strike phase and
(Fire damage is doubled against zombies, vampires,
rats, plants, insects and treefolk, rounded up.)
...deals frost damage in the normal combat phase.
(Frost damage exerts all creature damaged by frost)
{2}: Equipped creature loses double strike and
gains provoke and reach until the end of turn.
Equip {2}