Geomancer

Defender
{t}{1}: Create a 0/1 wall artifact creature token with "this creature cannot be destroyed by combat
damage." At the beginning of your next turn, exile
it.
{t}{1}: Target opponent creates a 0/1 wall artifact creature token with "At the beginning of your next turn, this creature deals 2 damage to you and target creature you control. After this effect triggers, exile
this creature."