Tier Breakdown
Tier 1
50x Challenge Coins $6.50 
1x Roster Expansion — Tier price $7.00 Value gap -$0.50+ Value $6.50+
Roster Expansion value is unknown - consider this if you need the Roster Expansion. Price per pull is above $1.
Tier 2
$0.00
Tier price $7.00 Value gap -$7.00 True Value $0.00
Bad value overall. Battle items usually do not add much value, but a 100+ stack can still be useful if you need them right now.
Tier 3
1000x Covenant Coins $17.00 1x Roster Expansion — 
1x Alpha Aether $3.00 Tier price $17.00 Value gap +$3.00+ Value $20.00+
Fair value. Roster Expansion value is unknown - consider this if you need the Roster Expansion. Price per pull is above $1.
Tier Breakdown
Tier 1
60x Challenge Coins $7.80 1x Roster Expansion — Tier price $7.00 Value gap +$0.80+ Value $7.80+
Roster Expansion value is unknown - consider this if you need the Roster Expansion. Price per pull is above $1.
Tier 2
$0.00
Tier price $7.00 Value gap -$7.00 True Value $0.00
Bad value overall. Battle items usually do not add much value, but a 100+ stack can still be useful if you need them right now.
Tier 3
1100x Covenant Coins $18.70 1x Roster Expansion — 1x Alpha Aether $3.00 Tier price $17.00 Value gap +$4.70+ Value $21.70+
Plus value. Price per pull is above $1.
Community Discussion
Coming soon: player comments and strategy notes.