Creature — Dragon

Flying
Activated abilities of artifacts, creatures, and planeswalkers can't be activated.

Clarion Conqueror

Tarkir: Dragonstorm

Bloomburrow

Creature — Elemental Cat

Players can't gain life.
Damage can't be prevented.
When this creature enters, it deals damage to each player equal to the number of nonbasic lands that player controls.

Sunspine Lynx

Fallout

Creature — Snake

If one or more counters would be put on an artifact or creature you control, that many plus one of each of those kinds of counters are put on that permanent instead.
If you would get one or more counters, you get that many plus one of each of those kinds of counters instead.

Winding Constrictor

The Lost Caverns of Ixalan Commander

Scion of Calamity

Copy

Creature — Dinosaur

Myriad (Whenever this creature attacks, for each opponent other than defending player, you may create a token copy that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)
Whenever this creature deals combat damage to a player, destroy target artifact or enchantment that player controls.

The Lost Caverns of Ixalan

Instant

Until end of turn, target attacking creature gets +2/+2 and gains trample and "Whenever this creature deals combat damage to a player, destroy target artifact that player controls."

Dreadmaw's Ire

Tales of Middle-earth Commander Tokens

Wake the Dragon

Token Creature — Dragon

Flying, menace
Whenever this creature deals combat damage to a player, gain control of target artifact that player controls.

Dragon

Legendary Creature — Elder Dragon

Flying
Dragonlord Ojutai has hexproof as long as it's untapped.
Whenever Dragonlord Ojutai deals combat damage to a player, look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.