Kiyomaro, Last to Attack

Enchant creature Enchanted creature gets +1/+1 for each card in your hand.

If you would draw a card, you may put a study counter on this enchantment instead. Remove three study counters from this enchantment, Sacrifice this enchantment: Draw seven cards.

Kiyomaro's power and toughness are each equal to the number of cards in your hand. As long as you have four or more cards in hand, Kiyomaro has vigilance. Whenever Kiyomaro deals damage, if you have seven or more cards in hand, you gain 7 life.

Target permanent you control gains protection from artifacts or from the color of your choice until end of turn.

Equipped creature gets +1/+1 for each card in your hand. Equip

Whenever equipped creature deals combat damage to a player, you may draw two cards. If you do, discard a card. Equip (: Attach to target creature you control. Equip only as a sorcery.)