Atog

Sacrifice an artifact: Atog 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.

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

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

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

At the beginning of your upkeep, if you control no permanents other than Barren Glory and have no cards in hand, you win the game.

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.

Aftermath (Cast this spell only from your graveyard. Then exile it.)
Discard any number of cards, then draw that many cards.

Return any number of target permanents you own to your hand.

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

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

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

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

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

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