Caltrops [Seventh Edition]

Caltrops [Seventh Edition]Set: Seventh Edition Type: Artifact Rarity: Uncommon Cost: {3} Whenever a creature attacks, Caltrops deals 1 damage to it. The Eastern Paladin knew how highly his southern rival valued horses, so he gleefully prepared a suitable welcome.

Sure enough

You may have it block an attacking creature of your choice

Set: Mirage Type: Instant Rarity: Rare Cost: {R}{R} Take an extra turn after this one

Set: Portal Three Kingdoms Type: Creature — Human Mystic Rarity: Rare Cost: {2}{G} Taoist Mystic can't be blocked by creatures with horsemanship

Whenever a player casts a black spell

Set: Commander 2017 Type: Creature — Cat Warrior Rarity: Rare Cost: {4}{G} Reach

you may pay {0} rather than pay the mana cost for a spell you cast with mana value X or less

You create a token that's a copy of that creature

"Ice can be shaped to any form

" —Barrin

−2: Put a +1/+1 counter on each creature you control and a loyalty counter on each other planeswalker you control

{T}: Target legendary creature gains fear until end of turn