Ultima Such devastation
These include the original Base Set, Jungle, Fossil and other early expansions
Manga art cards like Vilis, Broker Of Blood and Evereth, Viceroy Of Plunder provide impressive gameplay mechanics
If your library contains fewer than X cards, you'll put them all into your hand
Inti, Seneschal of the Suns a personal favorite, but cards like Monument to Endurance and Containment Construct are just as useful
Towashi Plane Kamigawa Modified creatures you control have trample and "Whenever this creature deals combat damage to a player or planeswalker, draw a card." (Equipment, Auras you control, and counters are modifications.) Whenever chaos ensues, distribute three +1/+1 counters among one, two, or three target creatures you control