Reflection!

Whenever Boros Reckoner is dealt damage, it deals that much damage to any target.

{R/W}: Boros Reckoner gains first strike until end of turn.

{1}, {T}: Add {R}{W}.

Indestructible

Whenever Brash Taunter is dealt damage, it deals that much damage to target opponent.

{2}{R}, {T}: Brash Taunter fights another target creature.

Choose a creature or planeswalker you control. All damage that would be dealt this turn to you and permanents you control is dealt to the chosen permanent instead (if it's still on the battlefield).

Whenever Mogg Maniac is dealt damage, it deals that much damage to target opponent or planeswalker.

({T}: Add {R}.)

({T}: Add {W}.)

Flash

Enchant creature you control

When Saving Grace enters the battlefield, all damage that would be dealt this turn to you and permanents you control is dealt to enchanted creature instead.

Enchanted creature gets +0/+3.

Each creature deals damage to itself equal to its power.

Whenever Spitemare is dealt damage, it deals that much damage to any target.

Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)

Whenever Truefire Captain is dealt damage, it deals that much damage to target player.

Volcano Hellion has echo {X}, where X is your life total. (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 Volcano Hellion enters the battlefield, it deals an amount of damage of your choice to you and target creature. The damage can't be prevented.