You control up to seven lands that can tap to produce at least ({4} magic symbol) ({G} magic symbol) .
Steps
Activate up to seven lands you control by tapping them, adding at least ({4} magic symbol) ({G} magic symbol) .
Cast
Elvish Fury with buyback by paying ({4} magic symbol) ({G} magic symbol) , targeting
Great Whale.
Orvar's first ability triggers, creating a token copy of
Great Whale.
When the
Great Whale token enters the battlefield, it triggers, untapping up to seven lands.
Resolve
Elvish Fury, giving the nontoken
Great Whale +2/+2 until end of turn and returning
Elvish Fury to your hand.
Repeat.
If you control up to seven lands that can tap to produce at least ({5} magic symbol) ({G} magic symbol) , this combo nets infinite mana, which you can then target any creatures you control in step 2 to create infinite token copies of them.
Results
Infinite copies of creatures you control.
Infinite creature tokens.
Infinite ETB.
Infinite magecraft triggers.
Infinite mana lands you control can produce.
Infinite storm count.
Infinitely large creatures you control until end of turn.