Enchant creature
Enchanted creature gets +1/+1.
Sacrifice a creature: Regenerate enchanted creature.

Enchant creature
When this Aura enters, draw a card at the beginning of the next turn's upkeep.
Enchanted creature gets +1/+1 for each other creature you control.
Other creatures you control get -1/-1.

This turn and next turn, creatures can't attack, and players and permanents can't be the targets of spells or activated abilities.

As an additional cost to cast this spell, sacrifice a creature.
Target creature gets +4/+2 until end of turn.

Haste (This creature can attack and as soon as it comes under your control.)
At the beginning of the end step, return this creature to its owner's hand. (Return it only if it's on the battlefield.)

, Sacrifice this creature: Target opponent discards a card at random. Activate only as a sorcery.

When Ovinomancer enters, sacrifice it unless you return three basic lands you control to their owner's hand.
, Return Ovinomancer to its owner's hand: Destroy target creature. It can't be regenerated. That creature's controller creates a 0/1 green Sheep creature token.

Flash

When this creature enters, sacrifice it unless you return two Forests you control to their owner's hand.

, Sacrifice a creature: Return this card from your graveyard to the battlefield. Activate only during your upkeep.