Compulsive Research

Flying, deathtouch When this creature enters, draw a card.

(T: Add B.)

Enchant land Enchanted land is a 6/4 green Elemental creature. It's still a land. When enchanted land dies, return that card to its owner's hand.

Flying Haste (This creature can attack and T as soon as it comes under your control.) Whenever an opponent is dealt damage by a red instant or sorcery spell you control or by a red planeswalker you control, return this card from your graveyard to your hand.

T: Add U, B, or R.

Enchant creature Enchanted creature gets +1/+1 and has "Whenever this creature attacks, tap target creature defending player controls."

Flying Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.) Lifelink (Damage dealt by this creature also causes you to gain that much life.)

T: Add C. T: Add B or R. This artifact deals 1 damage to you.