TrampleLeviathan enters tapped and doesn't untap during your untap step.At the beginning of your upkeep, you may sacrifice two Islands. If you do, untap Leviathan.Leviathan can't attack unless you sacrifice two Islands. (This cost is paid as attackers are declared.)
Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)Colossus of Sardia doesn't untap during your untap step.: Untap Colossus of Sardia. Activate only during your upkeep.
Remove Rebirth from your deck before playing if you're not playing for ante.Each player may ante the top card of their library. If a player does, that player's life total becomes 20.
FlyingClockwork Avian enters with four +1/+0 counters on it.At end of combat, if Clockwork Avian attacked or blocked this combat, remove a +1/+0 counter from it., : Put up to X +1/+0 counters on Clockwork Avian. This ability can't cause the total number of +1/+0 counters on Clockwork Avian to be greater than four. Activate only during your upkeep.
Destroy X target Mountains. Volcanic Eruption deals damage to each creature and each player equal to the number of Mountains put into a graveyard this way.
When Time Elemental attacks or blocks, at end of combat, sacrifice it and it deals 5 damage to you., : Return target permanent that isn't enchanted to its owner's hand.
