Basandra

Mostly focused on the "creature must attack" ability.
Includes the following:
Cards that make people not able to (or don't want to) attack me, so they are forced to attack someone else.
Cards that add first strike, double strike, and/or deathtouch (to hurt incoming attackers)
A few cards that destroy tapped creatures

General (1):
Basandra, Battle Seraph

Creatures (27):
Karn, Silver Golem Stuffy Doll Razia, Boros Archangel Spitemare Coalhauler Swine Kazuul, Tyrant of the Cliffs Mogg Maniac Rage Thrower Adarkar Valkyrie Avatar of Hope Ballista Squad Blazing Archon Brigid, Hero of Kinsbaile Darien, King of Kjeldor Deathless Angel Elesh Norn, Grand Cenobite Elite Archers Glarecaster Michiko Konda, Truth Seeker Patron of the Kitsune Seraph Shaman en-Kor Silver Seraph Steam Catapult Sunblast Angel Vengeful Archon Windborn Muse

Spells (28):
Akroma's Memorial Basilisk Collar Crawlspace Leonin Sun Standard Mind's Eye Quietus Spike Scythe of the Wretched Sword of Kaldra Temporal Aperture Rise of the Hobgoblins Rage Reflection Total War Vicious Shadows Vow of Lightning War's Toll Archery Training Aurification Chronomantic Escape Ghostly Prison Gideon Jura Inheritance Lightmine Field Norn's Annex Return to Dust Reverence True Conviction Vow of Duty Ward of Piety

Mana Acceleration (8):
Boros Signet Coalition Relic Darksteel Ingot Gilded Lotus Sunglasses of Urza Thran Dynamo Land Tax Weathered Wayfarer

Lands (36):
Ancient Amphitheater Arid Mesa Battlefield Forge Boros Garrison Clifftop Retreat Eiganjo Castle Forbidding Watchtower Ghitu Encampment Kor Haven Mistveil Plains Plateau Rugged Prairie Sacred Foundry Shinka, the Bloodsoaked Keep Spinerock Knoll Sunhome, Fortress of the Legion Thawing Glaciers Windbrisk Heights Mountain Mountain Mountain Mountain Mountain Mountain Mountain Mountain Plains Plains Plains Plains Plains Plains Plains Plains Plains Sol Ring