Callous Deceiver

{1}: Look at the top card of your library.
{2}: Reveal the top card of your library. If it's a land card, this creature gets +1/+0 and gains flying until end of turn. Activate only once each turn.

Experiment Kraj

Experiment Kraj has all activated abilities of each other creature with a +1/+1 counter on it.
{T}: Put a +1/+1 counter on target creature.

Beetleform Mage

{G}{U}: This creature gets +2/+2 and gains flying until end of turn. Activate only once each turn.

Brown Ouphe

{1}{G}, {T}: Counter target activated ability from an artifact source. (Mana abilities can't be targeted.)

Clever Conjurer

Mage Hand — {T}: Untap target permanent not named Clever Conjurer. Activate only as a sorcery.

Apprentice Sorcerer

{T}: This creature deals 1 damage to any target. Activate only during your turn, before attackers are declared.

Argent Sphinx

Flying
Metalcraft — {U}: Exile this creature. Return it to the battlefield under your control at the beginning of the next end step. Activate only if you control three or more artifacts.

Capricopian

This creature enters with X +1/+1 counters on it.
{2}: Put a +1/+1 counter on this creature, then you may reselect which player this creature is attacking. Only the player this creature is attacking may activate this ability and only during the declare attackers step. (It can't attack its controller.)