Necratog

Exile the top creature card of your graveyard: Necratog gets +2/+2 until end of turn.

Sarcatog

Exile two cards from your graveyard: Sarcatog gets +1/+1 until end of turn.
Sacrifice an artifact: Sarcatog gets +1/+1 until end of turn.

Auratog

Sacrifice an enchantment: Auratog gets +2/+2 until end of turn.

Foratog

{G}, Sacrifice a Forest: Foratog gets +2/+2 until end of turn.

Psychatog

Discard a card: Psychatog gets +1/+1 until end of turn.
Exile two cards from your graveyard: Psychatog gets +1/+1 until end of turn.

Perennial Behemoth

You may play lands from your graveyard.
Unearth {G}{G} ({G}{G}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Chronatog

{0}: Chronatog gets +3/+3 until end of turn. You skip your next turn. Activate only once each turn.

Thaumatog

Sacrifice a land: Thaumatog gets +1/+1 until end of turn.
Sacrifice an enchantment: Thaumatog gets +1/+1 until end of turn.

Atog

Sacrifice an artifact: Atog gets +2/+2 until end of turn.

Phantatog

Sacrifice an enchantment: Phantatog gets +1/+1 until end of turn.
Discard a card: Phantatog gets +1/+1 until end of turn.

Lithatog

Sacrifice an artifact: Lithatog gets +1/+1 until end of turn.
Sacrifice a land: Lithatog gets +1/+1 until end of turn.

Atogatog

Sacrifice an Atog creature: Atogatog gets +X/+X until end of turn, where X is the sacrificed creature's power.

Mirror Entity

Changeling (This card is every creature type.)
{X}: Until end of turn, creatures you control have base power and toughness X/X and gain all creature types.

Megatog

Sacrifice an artifact: Megatog gets +3/+3 and gains trample until end of turn.

Crib Swap

Changeling (This card is every creature type.)
Exile target creature. Its controller creates a 1/1 colorless Shapeshifter creature token with changeling.

Amoeboid Changeling

Changeling (This card is every creature type.)
{T}: Target creature gains all creature types until end of turn.
{T}: Target creature loses all creature types until end of turn.

Chronatog Totem

{T}: Add {U}.
{1}{U}: Chronatog Totem becomes a 1/2 blue Atog artifact creature until end of turn.
{0}: Chronatog Totem gets +3/+3 until end of turn. You skip your next turn. Activate only once each turn and only if Chronatog Totem is a creature.