Backup 1, backup 1, backup 1 (When this creature enters, put a +1/+1 counter on target creature. If that's another creature, it gains the following abilities until end of turn. Each backup ability triggers separately.)

Trample

Whenever this creature deals combat damage to a player, put that many +1/+1 counters on it.

Flying

Whenever this creature deals combat damage to a player, it deals that much damage to each creature that player controls.

Trample

Whenever this creature deals combat damage to a player, create a token that's a copy of this creature.

Flying

Whenever this creature deals combat damage to a player, it deals 1 damage to each creature that player controls.

Flying

Whenever a creature you control deals combat damage to a player, create that many Treasure tokens.

Flying

Whenever this creature deals combat damage to a player, roll a d20. When you do, put X +1/+1 counters on each of up to two target creatures, where X is the result.

Trample

Domain — Whenever this creature deals combat damage to a player, put X +1/+1 counters on target creature you control, where X is the number of basic land types among lands you control.

Trample, haste

Whenever Leatherhead attacks, put two +1/+1 counters on each creature you control.

Other Snake creatures you control get +2/+2.

Whenever a Snake you control deals combat damage to a player, you may draw a card.

Flying, trample

Whenever this creature deals combat damage to a player, you may collect evidence X. When you do, this creature deals X damage to each creature and planeswalker that player controls. (To collect evidence X, exile cards with total mana value X or greater from your graveyard.)

Flying, haste

Whenever a creature dealt damage by Garza Zol this turn dies, put a +1/+1 counter on Garza Zol.

Whenever Garza Zol deals combat damage to a player, you may draw a card.

Flying

Whenever Oros deals combat damage to a player, you may pay . If you do, Oros deals 3 damage to each nonwhite creature.

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

Shroud (This creature can't be the target of spells or abilities.)

Flying

Whenever a creature an opponent controls dies, put a +2/+2 counter on each Vampire you control that dealt damage to that creature this turn.

Trample

Whenever this creature deals combat damage to a player, create that many 1/1 green Insect creature tokens.

Flying

Whenever Vorosh deals combat damage to a player, you may pay . If you do, put six +1/+1 counters on Vorosh.

When this creature enters, it deals 2 damage to each creature and each player.

When Tarkiran enters, create five 1/1 red Human Rebel creature tokens.

Whenever one or more Rebels you control deal combat damage to a player, you gain 2 life.