Riftbound Legend
Kennen - Heart of the Tempest
OrderChaosEUR 0.203 printings
When you play a card from anywhere other than your hand, empower me. [Action][>] Disempower me, exhaust: Give a unit [Assault 2] this turn. (+2 might while it's an attacker.)
525cards legal in Order + Chaos
Champion cards for Kennen
Written to work with it.
Kennen - Keeper of Balance
EUR 0.20
Kennen - Storm of Shuriken
EUR 11.00
Lightning Rush
EUR 18.40
What the cheapest legal deck costs
EUR 1.54
1 Legend · 1 Champion · 3 Battlefields · 12 Runes · 40 main
Legend
EUR 0.20
Chosen Champion
EUR 0.20
Battlefields
EUR 0.10
Runes
EUR 0.24
Main deck
EUR 0.80
This is a floor, not a decklist. It is the cheapest legal cards, so a deck you actually want costs more.