Apex Altisaur | Wrathful Raptors | Heroic Intervention

Cards

({8} magic symbol) ({G} magic symbol) ({G} magic symbol) ({G} magic symbol) available.

Cast
Apex Altisaur by paying ({7} magic symbol) ({G} magic symbol) ({G} magic symbol) .
When
Apex Altisaur enters, its first ability triggers.
Holding priority, cast
Heroic Intervention by paying its mana cost, giving creatures you control indestructible until end of turn.
Resolve the
Apex Altisaur trigger, causing it to fight a creature you don't control.
If the opposing creature dealt damage to
Apex Altisaur,
Apex Altisaur's second ability and
Wrathful Raptors trigger.
Resolve the
Wrathful Raptors trigger, dealing damage to any opponent.
Resolve the
Apex Altisaur trigger, causing it to fight a creature you don't control.
Repeat from step 4 until your opponents control no creatures. If they happen to control an indestructible creature with power above 0, this loop can be done infinitely.

You can restart the loop if opponents control creatures by dealing damage to
Apex Altisaur. It may not have indestructible by this point however unless you use another source to provide it.

This combo has been estimated to be Exhibition (Bracket 1+).