First strike

When Attended Knight enters, create a 1/1 white Soldier creature token.

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

: Boros Reckoner gains first strike until end of turn.

+1: Look at the top card of your library. If it's a creature card, you may reveal it and put it into your hand.

−2: Target creature you control fights another target creature.

−7: You get an emblem with "Creatures you control have double strike, trample, hexproof, and haste."

Trample

Bloodrush — , Discard Ghor-Clan Rampager: Target attacking creature gets +4/+4 and gains trample until end of turn.

Trample

Whenever Hungry Spriggan attacks, it gets +3/+3 until end of turn.

Until end of turn, target creature gains trample and gets +X/+X, where X is the number of attacking creatures.

Enchant creature

Enchanted creature gets +2/+2 and has trample and lifelink. (Damage dealt by the creature also causes its controller to gain that much life.)