Champion of Wits

When Champion of Wits enters the battlefield, you may draw cards equal to its power. If you do, discard two cards.

Shard

{2}, Sacrifice this enchantment: Scry 1, then draw a card.

Heart-Piercer Manticore

When Heart-Piercer Manticore enters the battlefield, you may sacrifice another creature. When you do, Heart-Piercer Manticore deals damage equal to that creature's power to any target.

Mechtitan

Mechtitan is all colors.
Flying, vigilance, trample, lifelink, haste

Sicarian Infiltrator

When Sicarian Infiltrator enters the battlefield, draw a card.