Try renting this card they will definitely help you climb your rank. Just be careful with cards positions.

Summoner - Lorna Shine - 1 Day Rent 0.42 DEC

Silvershield Paladin - FREE ( First Position )

Lunakari Mistress - 1 Day Rent 0.49 DEC

Temple Priest - 1 Day Rent 0.10 DEC

Light Elemental - 1 Day Rent 1.60 DEC

Creeping Ooze -1 Day Rent 1.50 DEC

Truthspeaker - FREE