Hand
1. A zone. A player’s hand is where that player holds cards he or she has drawn but not played yet.
2. All the cards in a player’s hand.
See rule 402, "Hand."

Hand Modifier
A characteristic that only vanguards have. See rule 210, "Hand Modifier."

Haste
A keyword ability that lets a creature ignore the "summoning sickness" rule. See rule 702.10, "Haste," and rule 302.6.

Haunt
A keyword ability that exiles cards. A card exiled this way "haunts" a creature targeted by the haunt ability. See rule 702.53, "Haunt."

Hexproof
A keyword ability that precludes a permanent or player from being targeted by an opponent. See rule 702.11, "Hexproof."

Hidden Zone
A zone in which not all players can be expected to see the cards’ faces. See rule 400.2. See also Public Zone.

Hideaway
A keyword ability that lets a player store a secret card. See rule 702.73, "Hideaway."

Horsemanship
A keyword ability that restricts how a creature may be blocked. See rule 702.29, "Horsemanship."

Hybrid Card
A card with one or more hybrid mana symbols in its mana cost. See rule 202.2d.

Hybrid Mana Symbols
A mana symbol that represents a cost that can be paid in one of two ways. See rule 107.4.