Return target creature to its owner’s hand. Create X 1/1 green Saproling creature tokens, where X is that creature’s mana value.

{U}, {T}: Target creature gains flying until end of turn.

{B}, {T}: Target creature gets -2/-0 until end of turn.

At the beginning of your upkeep, if you control a blue or black permanent, target creature gets +1/+1 until end of turn. If you control a blue permanent and a black permanent, that creature gets +5/+5 until end of turn instead.

Kicker {1}{U} and/or {B} (You may pay an additional {1}{U} and/or {B} as you cast this spell.)

If Anavolver was kicked with its {1}{U} kicker, it enters the battlefield with two +1/+1 counters on it and with flying.

If Anavolver was kicked with its {B} kicker, it enters the battlefield with a +1/+1 counter on it and with “Pay 3 life: Regenerate Anavolver.”

{R}: Angelfire Crusader gets +1/+0 until end of turn.

{T}: Add {C}.

{T}: Add {R} or {W}. Battlefield Forge deals 1 damage to you.

{R}, Sacrifice Bloodfire Colossus: It deals 6 damage to each creature and each player.

{R}, Sacrifice Bloodfire Dwarf: It deals 1 damage to each creature without flying.

Enchant creature you control

{R}, Sacrifice enchanted creature: Bloodfire Infusion deals damage equal to the sacrificed creature’s power to each creature.

{R}, Sacrifice Bloodfire Kavu: It deals 2 damage to each creature.

Whenever a player casts a black spell, Bog Gnarr gets +2/+2 until end of turn.

As Brass Herald enters the battlefield, choose a creature type.

When Brass Herald enters the battlefield, reveal the top four cards of your library. Put all creature cards of the chosen type revealed this way into your hand and the rest on the bottom of your library in any order.

Creatures of the chosen type get +1/+1.

The next X damage that would be dealt to target creature, planeswalker, or player this turn is dealt to another target creature, planeswalker, or player instead.

{T}: Add {C}.

{T}: Add {W} or {B}. Caves of Koilos deals 1 damage to you.

{R}, {T}: Target creature gets +2/+0 until end of turn.

{G}, {T}: Add one mana of any color.

At the beginning of your upkeep, if you control a red or green permanent, draw a card, then discard a card. If you control a red permanent and a green permanent, instead draw two cards, then discard a card.

Kicker {1}{R} and/or {G} (You may pay an additional {1}{R} and/or {G} as you cast this spell.)

If Cetavolver was kicked with its {1}{R} kicker, it enters the battlefield with two +1/+1 counters on it and with first strike.

If Cetavolver was kicked with its {G} kicker, it enters the battlefield with a +1/+1 counter on it and with trample.

Enchant creature you control

Enchanted creature is a Flagbearer.

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.

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.

Flying

{1}{U}, {T}: Return target Kavu to its owner’s hand.