Blood Hound
{2}{R}
Creature -- Dog
1/1
Whenever you're dealt damage, you may put that many +1/+1 counters on ~this~.
At the beginning of your end step, remove all +1/+1 counters from ~this~.
Discordant Spirit
{2}{B}{R}
Creature -- Spirit
2/2
At the beginning of each end step, if it's an opponent's turn, put a +1/+1 counter on ~this~ for each 1 damage dealt to you this turn.
At the beginning of your end step, remove all +1/+1 counters from ~this~.
Hammer Jammer
{3}{R}
Creature -- Goblin Warrior
0/0
As ~this~ enters, roll a six-sided die. ~this~ enters with a number of +1/+1 counters on it equal to the result.
Whenever you roll a die, remove all +1/+1 counters from ~this~, then put a number of +1/+1 counters on it equal to the result.