Flamerush Rider
{4}{R}
Creature -- Human Warrior
3/3
Whenever ~this~ attacks, create a token that's a copy of another target attacking creature and that's tapped and attacking. Exile the token at end of combat.
Dash {2}{R}{R} (You may cast ~this~ for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.)
Gyrus, Waker of Corpses
{X}{B}{R}{G}
Legendary Creature -- Hydra
0/0
~this~ enters with a number of +1/+1 counters on it equal to the amount of mana spent to cast it.
Whenever ~this~ attacks, you may exile target creature card with lesser power from your graveyard. If you do, create a token that's a copy of that card and that's tapped and attacking. Exile the token at end of combat.