This spell costs less to cast if it targets a creature you control with a +1/+1 counter on it.

Target creature you control fights target creature you don't control. (Each deals damage equal to its power to the other.)

Put a +1/+1 counter on target creature you control. Then that creature fights target creature you don't control. (Each deals damage equal to its power to the other.)

Put a +1/+1 counter on target creature you control. Then that creature fights up to one target creature you don't control. (Each deals damage equal to its power to the other.)

Foretell (During your turn, you may pay and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

This spell costs less to cast if you've cast another instant or sorcery spell this turn.

Target creature you control gets +1/+2 until end of turn. Then it fights target creature you don't control. (Each deals damage equal to its power to the other.)

Put a +1/+1 counter on target creature you control if its power is 4 or greater. Then that creature gets +1/+1 until end of turn and fights target creature you don't control.

Put a +1/+1 counter on target creature you control. It fights target creature an opponent controls. (Each deals damage equal to its power to the other.)

Put a +1/+1 counter on target creature you control, then it fights target creature you don't control. (Each deals damage equal to its power to the other.)

Adamant — If at least three green mana was spent to cast this spell, the creature you control gains indestructible until end of turn.

This spell costs less to cast if it targets a legendary creature you control.

Target creature you control deals damage equal to twice its power to target creature or planeswalker you don't control.

Put a +1/+1 counter on target creature you control. Then that creature deals damage equal to its power to target creature you don't control.

Target creature you control gets +2/+2 if it's a host or has augment. Then it fights target creature you don't control.

Put a +1/+1 counter on target creature you control if it's legendary. Then it fights target creature an opponent controls. (Each deals damage equal to its power to the other.)

Put a +1/+1 counter on target creature you control. Then that creature deals damage equal to its power to target creature an opponent controls.

Put a +1/+1 counter on target creature you control. Another target creature blocks it this turn if able.

Create a Monster Role token attached to target creature you control. When you do, that creature fights up to one target creature you don't control. (If you control another Role on it, put that one into the graveyard. Enchanted creature gets +1/+1 and has trample. Creatures that fight each deal damage equal to their power to the other.)

Put a +1/+1 counter on target creature you control, then it deals damage equal to its power to target creature an opponent controls.

Put a +1/+1 counter on target creature you control, then double the number of +1/+1 counters on that creature.

Put a +1/+1 counter on target creature, then double the number of +1/+1 counters on it. You gain life equal to the number of +1/+1 counters on that creature.

This spell costs less to cast if you control a Turtle.

Put a +1/+1 counter on target creature you control. It gains trample, hexproof, and indestructible until end of turn.