mtg cards with companion Garruk's — Magic 2012 (M12) | Card ≫ MTG Hex, Kellan's Companion

They do come with a cost to sacrifice, but are still worthy

Equipped creature has "If a creature dying causes a triggered ability of this creature or an emblem you own to trigger, that ability triggers an additional time." Equip The Prima Vista Rarity: Uncommon TYPE: Legendary Artifact SUBTYPE: Vehicle CMC: 5 Mana cost: USD: $0.14 EUR: 0.06 TIX: 0.03 EDHREC RANK: 19534 (5/3) Flying Whenever you cast a noncreature spell, if at least four mana was spent to cast it, The Prima Vista becomes an artifact creature until end of turn

Crew 4 (Tap any number of creatures you control with total power 4 or more: This Vehicle becomes an artifact creature until end of turn.) Eternity Gate Whenever this Vehicle attacks, mill three cards

Ultimately this is two bodies in one card at a reasonable cost and with a whole lot of bonus utility

Making flying blockers will help me protect him

One such card was a green mana flare