Tetravus (German) [Renaissance] Xerex during each player's End Phase:

during each player's End Phase: The turn player must Tribute 1 face-up monster

Set: Modern Horizons Type: Creature — Shapeshifter Rarity: Rare Cost: {W}{U} Changeling (This card is every creature type

Set: Metal Raiders Card type: Counter Trap Rarity: Ultra Rare Attack: 0 Defense: 0 Discard 1 card from your hand to negate the activation of a Spell Card and destroy it

Set: Beta Edition Type: Enchantment Rarity: Rare Cost: {1}{U} Players skip their untap steps

If your opponent activates a card or effect (except during the Damage Step): You can Special Summon 1 Level 7 LIGHT Dragon monster from your hand

Tetravus (German) [Renaissance] Xerex during each player's End Phase:Set: Renaissance Type: Artifact Creature Construct Rarity: Uncommon Cost: {6} Flying Tetravus enters the battlefield with three +1 +1 counters on it. At the beginning of your upkeep, you may remove any number of +1 +1 counters from Tetravus. If you do, create that many 1 1 colorless Tetravite artifact creature tokens. They each have flying and "This creature can't be enchanted." At the beginning of your upkeep, you may exile any number of tokens