With this challenge, Goldinator wants me to make a Stride Leader, so here we go:

King of Knights, Alfred
Grade 3
Power: 11000
[CONT] GB2: During your turn, all《Royal Paladin》units gain +2000 until the end of the turn.
[AUTO] {V}: (Counterblast 2) During your turn, when your G unit STRIDE, you may pay the cost. If you do this unit gain "[AUTO]: This unit gain +3000 for each《Royal Paladin》until the end of the turn. Then if you have 5 or more rear-guards, this unit gain +1☆ until the end of the battle.

Soul Saver Dragon
Grade 3
Power: 10000
[CONT] GB2: During your turn, this unit gain +2000 for all of your《Royal Paladin》rear-guards.
[AUTO]: (Soulblast 2) During your turn, when your G unit STRIDE, you may pay the cost. If you do, choose 2 units on your field, they gain +5000 until the end of the turn.

Alfred Early
Grade 3
Power: 10000
[AUTO] {V}: GB2 (Counterblast 2) When this unit attacks a vanguard, this unit gain +10000 and 1☆ until the end of the turn.
[AUTO]: (Counterblast 2) During your turn when your G unit STRIDE, you may pay the cost. If you do, search your deck for up to two grade 2 or lower card, call it to the {R} and they gain +2000 until the end of the turn.

Here they are, hope I did good on them. Until next time,

Fight the darkness, defend hope!

---Shogun Infinite---