Daily, group and social rewards — Anime Card Duels Wiki

Every day

Daily Login - one reward each day, on a 7-day track that loops. The rewards get bigger as your total rolls grow. It resets at 00:00 UTC, the same moment for everyone.
Playtime Gifts - free gifts for minutes played today. They reset with the day. Claim them one by one or all at once.
Both are in the gift button’s window. Its red badge shows when something is ready.
Daily quests and weekly quests in the Quests window. See Questlines.
Group Chest - by the lobby’s fountain. Members of the game’s Roblox group can claim it once per UTC day: potions, a few Trait Rerolls and a small instant roll pack, growing with your total rolls.

Settings > Automation can claim the Daily Login and Playtime Gifts for you.

Join the group - joining the game’s Roblox group gives a permanent Luck bonus while you stay in it.
Follow For Luck - the NPC in the lobby gives a small Luck bonus for each of the game’s owners you follow on Roblox.
Events NPC - by the fountain. Sign up for upcoming game events with Notify Me and get a small reward.
Badges - Roblox badges for milestones: your first win, rare rolls, story worlds, tower floors, rifts, raids, the World Boss, Draft Mode, the questlines, events and playtime. Things you had already done count the moment you join.

Invite Friends (under Upgrades) - every Roblox friend in your server adds a little Luck.
Rift parties - fight rift bosses as a duo or a squad. See Rift.
Friendly battles - other players can challenge you. Settings > Automation > Auto Decline Friendly Battles turns them all down.

Global Luck and Admin Abuse events are turned on by the game team. During Admin Abuse, packs and pack shards rain from the sky in every server; walk through them to grab Admin Abuse Packs, then open them from your Backpack.
Realms started by a Realm Potion boost everyone in the server. See Realms.