Edric, Spymaster of Trest
{1}{G}{U}
Legendary Creature -- Elf Rogue
2/2
Whenever a creature deals combat damage to one of your opponents, its controller may draw a card.
Synapse Sliver
{4}{U}
Creature -- Sliver
3/3
Whenever a Sliver deals combat damage to a player, its controller may draw a card.
Undercity Reaches
Plane -- Ravnica
Whenever a creature deals combat damage to a player, its controller may draw a card.
Whenever chaos ensues, you have no maximum hand size for the rest of the game.