+swamp, +mana, +add, +whenever (3)
Until end of turn, whenever a player taps a Swamp for mana, that player adds an additional .
Extort (Whenever you cast a spell, you may pay . If you do, each opponent loses 1 life and you gain that much life.)
Whenever you tap a Swamp for mana, add an additional .
: Nirkana Revenant gets +1/+1 until end of turn.
Gatherer works better in the Companion app!
. If you do, each opponent loses 1 life and you gain that much life.)
.