APHELIOS, Limits Broken

First Strike, Lifelink, Trample, Nightbound (If a player cast at least two spells during their own turn, it becomes day next turn.)
When another creature enters the field under
your control, you may have it enter the field
tapped, in order to activate one of the following:
• Cascade that Creature.
• Place 2 stun counters on target creature.
• Deal 3 damage to target Player.
Lose all counters and transform me back
if it is Day.