Trample

Bio-Plasmic Scream — Whenever you cast a creature spell with mana value 5 or greater, this creature deals 5 damage to any target.

Flying

Whenever you cast an Adventure or Dragon spell, Lozhan deals damage equal to that spell's mana value to any target that isn't a commander.

Heroic — Whenever you cast a spell that targets this creature, this creature deals 2 damage to any target.

Whenever you cast a multicolored spell, this enchantment deals 2 damage to any target.

Whenever you cast a kicked spell, you may have this enchantment deal damage to any target equal to the number of times that spell was kicked.

First strike, haste

Symphony of Pain — Whenever you cast a spell from anywhere other than your hand, this creature deals damage equal to that spell's mana value to target opponent.

Whenever you cast a spell with a Goblin Explosioneers watermark, this enchantment deals 2 damage to any target.

Whenever you cast a Spirit or Arcane spell, this creature deals 1 damage to target creature.

Trample (This creature can deal excess combat damage to the player it's attacking.)

Whenever you cast a historic spell, Surtr deals 3 damage to any target. (Artifacts, legendaries, and Sagas are historic.)

Whenever a player casts a red spell, you may pay . If you do, this enchantment deals 1 damage to any target.

Whenever this creature attacks, you may pay and discard a card. If you do, this creature deals damage to target creature or planeswalker equal to the discarded card's mana value.

Flying

Whenever you cast an instant or sorcery spell, put a +1/+1 counter on this creature. Then this creature deals damage equal to its power to target opponent.

Flying

Spells your opponents cast that target this creature cost an additional 3 life to cast.

Whenever another creature you control enters, this creature deals damage equal to that creature's power to any target.

Whenever you cast an instant, sorcery, or Wizard spell, this creature deals 1 damage to any target.

Whenever you cast your second spell each turn, this enchantment deals 2 damage to any target.

When this creature enters, you may sacrifice an artifact. When you do, this creature deals 3 damage to any target.

Whenever this creature deals combat damage to a player, you may destroy target artifact that player controls.

Whenever this creature enters or attacks, discard a card, then seek a nonland card. When you discard a card this way, this creature deals damage equal to the discarded card's mana value to any target.