Haste (This creature can attack and as soon as it comes under your control.)Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)
Target creature gets +3/+0 and gains haste until end of turn.Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)
While an opponent is choosing targets as part of casting a spell they control or activating an ability they control, that player must choose at least one Flagbearer on the battlefield if able.
HasteEcho (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 Keldon Champion enters, it deals 3 damage to target player or planeswalker.
HasteEcho (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 Keldon Champion enters, it deals 3 damage to target player or planeswalker.
Shroud (This creature can't be the target of spells or abilities.)Threshold — Nimble Mongoose gets +2/+2 as long as seven or more cards are in your graveyard.
