Biomancer's Familiar

Activated abilities of creatures you control cost {2} less to activate. This effect can't reduce the mana in that cost to less than one mana.
{T}: The next time target creature adapts this turn, it adapts as though it had no +1/+1 counters on it.

Reveille Squad

Whenever one or more creatures attack you, if Reveille Squad is untapped, you may untap all creatures you control.

Armageddon

Heartstone

Activated abilities of creatures cost {1} less to activate. This effect can't reduce the mana in that cost to less than one mana.

Amrou Scout

{4}, {T}: Search your library for a Rebel permanent card with mana value 3 or less, put it onto the battlefield, then shuffle.

Tazri, Stalwart Survivor

Each creature you control has "{T}: Add one mana of any of this creature's colors. Spend this mana only to activate an ability of a creature. Activate only if this creature has another activated ability."
{W}{U}{B}{R}{G}, {T}: Mill five cards. Put all creature cards with activated abilities that aren't mana abilities from among the milled cards into your hand.

Ramosian Captain

First strike
{5}, {T}: Search your library for a Rebel permanent card with mana value 4 or less, put it onto the battlefield, then shuffle.

Lin Sivvi, Defiant Hero

{X}, {T}: Search your library for a Rebel permanent card with mana value X or less, put it onto the battlefield, then shuffle.
{3}: Put target Rebel card from your graveyard on the bottom of your library.

Ramosian Revivalist

{6}, {T}: Return target Rebel permanent card with mana value 5 or less from your graveyard to the battlefield.

Ramosian Lieutenant

Ramosian Commander

{6}, {T}: Search your library for a Rebel permanent card with mana value 5 or less, put it onto the battlefield, then shuffle.

Big Game Hunter

When Big Game Hunter enters, destroy target creature with power 4 or greater. It can't be regenerated.
Madness {B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Ramosian Sergeant

{3}, {T}: Search your library for a Rebel permanent card with mana value 2 or less, put it onto the battlefield, then shuffle.

Ramosian Sky Marshal

Flying
{7}, {T}: Search your library for a Rebel permanent card with mana value 6 or less, put it onto the battlefield, then shuffle.

Defiant Vanguard

When Defiant Vanguard blocks, at end of combat, destroy it and all creatures it blocked this turn.
{5}, {T}: Search your library for a Rebel permanent card with mana value 4 or less, put it onto the battlefield, then shuffle.

Zirda, the Dawnwaker

Companion — Each permanent card in your starting deck has an activated ability. (If this card is your chosen companion, you may put it into your hand from outside the game for {3} as a sorcery.)
Abilities you activate that aren't mana abilities cost {2} less to activate. This effect can't reduce the mana in that cost to less than one mana.
{1}, {T}: Target creature can't block this turn.

Blightspeaker

{T}: Target player loses 1 life.
{4}, {T}: Search your library for a Rebel permanent card with mana value 3 or less, put it onto the battlefield, then shuffle.

Thran Turbine

At the beginning of your upkeep, you may add {C}{C}. You can't spend this mana to cast spells.

Defiant Falcon

Flying
{4}, {T}: Search your library for a Rebel permanent card with mana value 3 or less, put it onto the battlefield, then shuffle.