Hope Tender and Yurlok of Scorch Thrash do not have summoning sickness.
({1} magic symbol) available.
Steps
Activate Yurlok or Scorch Thrash by paying ({1} magic symbol) and tapping it, causing each player to add ({B} magic symbol) ({R} magic symbol) ({G} magic symbol) .
Activate Hope Tender's second ability by paying ({1} magic symbol) , tapping and exerting it, untapping it and Yurlok.
Repeat an arbitrarily large number of times.
Once each player has infinite mana, repeat step 2 until you have an empty mana pool.
Move to the next step or phase, causing each player to lose life equal to the mana they lost.
Each opponent loses the game due to having zero or less life.
Results
Infinite black mana for all players.
Infinite green mana for all players.
Infinite lifeloss.
Infinite mana lands you control can produce.
Infinite red mana for all players.
Infinite untap of lands you control.
Infinite untap of nontoken creatures you control.
Infinite mana nontoken creatures you control can produce.