Yurlok of Scorch Thrash without summoning sickness).
Mana Needed
({1} magic symbol) available.
Steps
Activate
Yurlok of 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
Arcanis's first ability by tapping it, causing you to draw three cards.
Tolarian Kraken triggers three times. Resolve the first two triggers, causing you to pay ({2} magic symbol) to untap
Arcanis and
Yurlok of Scorch Thrash.
Resolve the last
Tolarian Kraken trigger, choosing not to pay.
Repeat.
Notes
If mana allows, you can untap a creature using
Tolarian Kraken's third trigger - although it is not necessary to execute the combo.