Alziver, Picklewicken

Ward 2, vigilance
When you counter a spell create a legendary 1/1 beholder with "opponents can't cast instant
or sorcery spells, this creature attack
each combat if able" or create a legendary 2/2 flying red dragon with
"opponents can't activate mana abilities and artifacts, this creature attack each turn if able"
{1}{w}{w}: Heal target player by 5 hit points