Whenever you cycle or discard another card, put a -1/-1 counter on each creature your opponents control.
Cycling {2} ({2}, Discard this card: Draw a card.)
5 /
4
{2}{U}{B}
Architects of Will
Artifact Creature - Human Wizard
When Architects of Will enters the battlefield, look at the top three cards of target player's library, then put them back in any order.
Cycling {U/B} ({U/B}, Discard this card: Draw a card.)
3 /
3
{3}{U}
Avian Oddity
Creature - Bird
Flying
Cycling {2}{U} ({2}{U}, Discard this card: Draw a card.)
When you cycle Avian Oddity, put a flying counter on target creature you control.
2 /
4
{4}{B}
Bone Miser
Creature - Zombie Wizard
Whenever you discard a creature card, create a 2/2 black Zombie creature token.
Whenever you discard a land card, add {B}{B}.
Whenever you discard a noncreature, nonland card, draw a card.
4 /
4
{1}{U}
Cloud of Faeries
Creature - Faerie
Flying
When Cloud of Faeries enters the battlefield, untap up to two lands.
Cycling {2} ({2}, Discard this card: Draw a card.)
1 /
1
{1}{U}
Cunning Survivor
Creature - Human Warrior
Whenever you cycle or discard a card, Cunning Survivor gets +1/+0 until end of turn and can't be blocked this turn.
1 /
3
{2}{U}{U}
Curator of Mysteries
Creature - Sphinx
Flying
Whenever you cycle or discard another card, scry 1.
Cycling {U} ({U}, Discard this card: Draw a card.)
4 /
4
{5}{G}
Elvish Aberration
Creature - Elf Mutant
{T}: Add {G}{G}{G}.
Forestcycling {2} ({2}, Discard this card: Search your library for a Forest card, reveal it, put it into your hand, then shuffle.)
4 /
5
{5}{G}{G}
Greater Sandwurm
Creature - Wurm
Greater Sandwurm can't be blocked by creatures with power 2 or less.
Cycling {2} ({2}, Discard this card: Draw a card.)
7 /
7
{2}{B}
Grisly Survivor
Creature - Minotaur Warrior
Whenever you cycle or discard a card, Grisly Survivor gets +2/+0 until end of turn.
2 /
3
{2}{B}{G}{U}
The Mimeoplasm
Legendary Creature - Ooze
As The Mimeoplasm enters the battlefield, you may exile two creature cards from graveyards. If you do, it enters the battlefield as a copy of one of those cards with a number of additional +1/+1 counters on it equal to the power of the other card.