Mortivore's power and toughness are each equal to the number of creature cards in all graveyards.: Regenerate Mortivore. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)
Whenever a player casts a spell, you may put a +1/+1 counter on Forgotten Ancient.At the beginning of your upkeep, you may move any number of +1/+1 counters from Forgotten Ancient onto other creatures.
When Myr Battlesphere enters, create four 1/1 colorless Myr artifact creature tokens.Whenever Myr Battlesphere attacks, you may tap X untapped Myr you control. If you do, Myr Battlesphere gets +X/+0 until end of turn and deals X damage to the player or planeswalker it's attacking.
When Elite Scaleguard enters, bolster 2. (Choose a creature with the least toughness among creatures you control and put two +1/+1 counters on it.)Whenever a creature you control with a +1/+1 counter on it attacks, tap target creature defending player controls.
When you cast this spell, you may return target creature card from your graveyard to the battlefield.Annihilator 2 (Whenever this creature attacks, defending player sacrifices two permanents of their choice.)
HasteMyriad (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.)
As Citadel Siege enters, choose Khans or Dragons.• Khans — At the beginning of combat on your turn, put two +1/+1 counters on target creature you control.• Dragons — At the beginning of combat on each opponent's turn, tap target creature that player controls.
