
Echo {5}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
When this creature enters, it deals 2 damage to target creature.
When this creature leaves the battlefield, it deals 4 damage to target creature.
Firemaw Kavu has 2 printings, first in Time Spiral (2006). EDHREC ranks it #26,023 among Commander cards.
Cards that show up in the same decks on EDHREC.